The trailer for Goku vs Superman 2 is a shortened version of Les Friction's "Louder Than Words".
The music played during the climax of Goku vs Superman 2 is the edit of "Call Your Name" used during the climax of Attack on Titan and it perfectly captures the awesome, yet bittersweet nature of the end to this epic battle.
Whenever Yang has the advantage during the fight (i.e. the entire second half), the chorus to her theme I Burn plays. The last lyric "Like a fever I will take you down" holds true as it ends just before Yang breaks Tifa's neck. Before that, the song that plays during the beginning of the fight is It's All About Me from Anarchy Reigns.
During Ragna's preview, we get his boss theme, "Black Onslaught", and in the full episode, we get his iconic badass theme music, "Rebellion".
The music during the Wolverine vs. Raiden battle is awesome enough, but one piece is particularly badass. Listen closely while Jack is in Ripper Mode, and an awesome remix of Devil May Cry 3's final boss music can be heard.
The Dante vs Bayonetta trailer used this EPIC rendition of "Sound of Silence". When Trish and Jeanne make their cameos in the episode, Find You from Anarchy Reigns plays, fitting the circumstances to a T. And for the battle itself, the choice of "Aesir" for its climax is just sublime.
Ratchet and Clank vs. Jak and Daxter was done to the tune of Tekken 7'sJungle Outpost stage (a track so awesome that it was used again in Ken Masters vs Terry Bogard), with the second half switching to Tchaikovsky's 1812 overture... courtesy of the rapid firing missile launcher, RYNO V.
Tracer vs. Scout is accompanied by "Mortified" from Anarchy Reigns. The fast-paced, catchy techno fits very well for a high-speed firefight between two very quick and confident mercenaries. The last part even syncs exactly to the ending, where Tracer finishes off Scout by swiping his Bonk Atomic Punch and sticking a Pulse Bomb onto him.
Amy Rose vs. Ramona Flowers is accompanied by a remixed version of Flowering Nights from Touhou, which perfectly fits the energetic nature of the two combatants.
After the town-destroying clash of techniques between Zoro and Erza, the song "The Very, Very, Very Strongest" from the One Piece OST starts playing as Zoro, bloodied but not beaten, stands up and puts his trademark bandanna over his head and prepares to keep fighting.
The first song in the reveal trailer for Lara Croft vs Nathan Drake is a soft tone remix of Drake's theme in Uncharted, fitting for showing the images of the young days of both fighters and the adventurous feelings that both series inspire. Next, the action scenes and the battle preview are properly accompanied with the main theme of Tomb Raider: Legend. For the battle itself, we have Invidia from Final Fantasy XV.
The finale of Natsu vs Ace has Natsu's theme kick in as Natsu lands the killing blow.
"Sub-Zero vs. Glacius" is set to "Shatterhail", Glacius' theme from the 2013 Killer Instinct reboot.
"Metal Sonic vs Zero" had the fast paced "Mega Man X5 'Duality' X vs Zero" just to drive home how epic it is seeing two machines, built to surpass their creators' worst nightmares, duke it out in a no holds barred match to the death.
The teasers and the battle itself of "Balrog vs. TJ Combo" featured "I'm Back (to Rise)", TJ's theme from the 2013 Killer Instinct game.
Bucky O'Hare's theme song. Even Boomstick gets into it.
The music played during Taizo Hori's character overview is super catchy as well.
The music from the Mega Man Battle Royale reveal, Data Charge, is a pulse-pounder of a song that combines speedy guitar riffs with chiptunes to get you in the mood to watch gaming's greatest robot legacy take center stage.
"King of the Jungle", used in the initial reveal of Black Panther vs. Batman, is a rap number laden with intense guitar riffs and smoothly-delivered lyrics that suggests the fight is just a taste of what the fifth season has to offer.
The fanmade songs created specifically for Death Battle. These include "The Book of Ivy" and "Chemical Bath" both created by classic-black-and-green for "Ivy vs Orchid" and "Luigi vs Tails", respectively.
"Exo", a theme made for the Wolverine vs Raiden battle. A badass theme in the style of Metal Gear Rising's soundtrack with lyrics that perfectly capture the characters of Raiden and Wolverine.
"Alive", a similar theme made for the Rematch of Goku vs. Superman. A rap-style "World of Cardboard" Speech boast that perfectly encapsulates the feel of two ultimate heroes clashing to see who's number one.
Charizard vs. Greymon has an original theme that's created by mashing the Pokemon and Digimon themes.
There's an awesome rock-and-choir song that plays during Carolina vs. Meta, changing in tone as one combatant or the other gets the upper hand. It has been identified as "Slingshot" by Trocadero.
The Power Rangers vs. Voltron battle was set to Stronger Together, a blood-pumping mash-up of both teams' main themes with a dueling sound between the Rangers' electric guitar and Voltron's techno orchestra.
The successor theme of "Invader", simply named "Wiz and Boomstick" by Brandon Yates, which debuted alongside the track "Shredding Silver", doesn't have to hide itself from the old theme - it's a worthy follow-up to the original theme. Even better, it includes homages to the old version.
"Shredding Silver" is used for Shredder vs. Silver Samurai, mixing rock with Japanese string and wind instruments for a modern-day clash of an old rivalry between two warriors of Japan. When Shredder sets the forest on fire, the music grows faster with even harder percussion to signal the execution of his silver-clad opponent.
The track used in Thor vs Wonder Woman, "Thunder of Wonder" by Werewolf Therewolf, is the perfect rock theme for a battle between gods. Also, it includes part of Wonder Woman's theme from the movie. the rock gets heavier with the appearance of Berserk Thor and the climax of the battle.
Shonen Showdown, the soundtrack for "Naruto vs Ichigo". A fast paced rock theme with the occasional wind instruments, mixing elements from both series soundtracks, making it sound like not only a battle theme, but a true crossover. And the end of the song is all wind instruments and chorus chanting, in pure homage to the Naruto soundtrack. Fitting as Naruto is delivering the final blow to Ichigo.
One-Winged Devil, the soundtrack for "Sephiroth vs. Vergil", is a suitably grand piece for Season 4's finale, packed with dramatic violin chords and dark guitar riffs. Special mention goes to the guitar solo at the end, which plays as Sephiroth brings down the Supernova on Vergil.
"Batman vs. Black Panther" featured "Battle at the Zoo", a no-nonsense number perfect for wanting us to see which characters will be crowned king.
"Raven vs. Twilight Sparkle" featured "Titans of Magic", a haunting, slow, guitar-heavy punctuated by the peal of bells, fitting for a showdown between mages. It comes complete with a final, echoing, solemn peal that rings out at the moment when Raven's Soul-Self lands the final blow.
The song featured for "Jotaro vs. Kenshiro" was "Bizarre Stars", a rock song that also features riffs from "Stardust Crusaders" (Jotaro's theme in Jojo's Bizarre Adventure) and "Ai wo Torimodose" (Kenshiro's theme song from Fist of the North Star. YOU WA SHOCK!). It fades at two points. The first is when Jotaro stops time, and the second is when Kenshiro utters his catch phrase towards Jotaro, revealing that Jotaro was about to explode into Ludicrous Gibs.
Brandon Yates's "Crash and Burn" from "Crash vs. Spyro" sounds like it'll be a darker take on Crash Bandicoot's xylophone-heavy pieces at first, but around 0:28, the gnarly guitar riffs kick in. Those, combined with the playful xylophone beats and the triumphant brass blasts, form a uniquely compelling piece of music suitable for a long-anticipated fight between two fun and nostalgic video game heroes.
"Sora vs. Pit" features "Unlocking Heaven", which starts out a bit wonky, but then catches up and mixes Yates' guitar riffs with wind instruments, bells, and synth beats for an angelic theme that sounds like it came straight out of Kingdom Hearts or Uprising, including a sped up excerpt from "Dearly Beloved" from Kingdom Hearts.
"Leon Kennedy vs. Frank West" has "Resident Rising". It starts out with the typical ambient themes found in zombie survival games before breaking out into the guitar as the fight starts. The guitar ramps up with the dark tone as a piano slowly builds up in the background to pay homage to the soundtracks of both Resident Evil (piano) and Dead Rising (guitar) before the killing blow, where the guitar slows down to make way for the piano and by extension, Leon's win.
"A Strange Fate" is a fittingly majestic piece for two of the most insanely powerful sorcerers in comic book history, with Brandon Yates's signature electric guitar accompanied by sharp sitar strums and otherworldly theremin calls.
"Fight Like a Devil" is a killer rock theme made for Ryu vs. Jin, made even better with Omega Sparxs rap track in the style of a fighting game that feels like a rap battle between two of video game historys best known fighters. It gets at its most intense moments when Ryu goes into the Satsui No Hadou with Omega Sparx going into dark chanting and more violent lyrics, and goes into blasting guitar riffs with Sparx chanting "Let's fight!" as Ryu goes into Mu no Ken to end Jin with the Shinku Hadouken.
"Watch out, Samurai!" perfectly fits a duel between samurai with elegant string instruments mixed with a bit of hip-hop, and thus DEFINITELY fits for Samurai Jack vs Afro Samurai. The theme steadily escalates as the two swordsmen continue to do battle, reaching its climax right before the final blow is dealt. Afterwards, it plays a short segment of Samurai Jack's theme ("Gotta get back, back to the past, Samurai Jack!") preceded by the "Watch out!". This comes AFTER Jack has reduced Afro to Ludicrous Gibs.
"Chorus of Carnage" goes excellently with the setting and tone of the Carnage vs Lucy battle. Dark, disturbing, and creepy, while having an excellent rhythm and haunting melody. Even listening to it without context of the battle, you know that this is a battle between monsters that could be compared to the worst demons of hell.
"Wings of Iron" is an 80's-style rock track bound to bring out nostalgia in any old fan of Transformers or Gundam, with lyrics that wouldn't be too out of place as an old cartoon opening or a song to play on full blast during a road trip on the radio.
"Devil of the Night" sets the tone perfectly for the long-awaited Nightwing vs. Daredevil fight. The song itself is carried by the combination of intense drums and strings that sell the series' first live-action battle as being grounded and gritty as is expected by these street-level vigilantes. The recurring piano melody from Daredevil's Netflix series is just the clincher, as it becomes increasingly prominent throughout the battle, coming to a head when the lights in the garage die out and Matt (seemingly) has Dick on the ropes. It's only fitting that the four notes are played until fade out, the song's signature element ending alongside Matt.
"Retro Rivals", a fitting piece for Death Battle's 100th episode, mashes together a few of the greatest retro hits from both Mario's and Sonic's home series into a medley that starts with a playful tropical theme, before switching to jazzy rock when the fight proper starts. As the battle escalates, the track gets slower and heavier, culminating in heavy electric guitar as both combatants fall from orbit, fighting all the while.
"Infection Perfection" fits both mechanical combatants with its industrial rock mixed with synthesizers and chiptunes for a futuristic track with lyrics bringing to mind the bloodlust and ego of both Ultron and Sigma. The track comes to a slower beat as Sigma and Ultron duke it out within their digital cores, with it speeding back up as Sigma learns too late that Ultron is barely fazed and his superior in every way.
"Turtle and Toad" starts with peaceful lounge music... until the Record Needle Scratch before Roshi and Jiraiya come to blows, whereupon the real fight track breaks out, blending together electric guitar, drums, piano and shamisen into a melody worthy of two of Shonen's most famous mentor figures.
"Kings of Infinity" goes for a different approach for the finale of Season 5, creating a suitably grand and powerful track with both Omega Sparx and Yates at the helm. Omega Sparx delivers hard-hitting lyrics boasting of the sheer might of Thanos and Darkseid, with Yates trading his usual fast-paced rock for ominous synth beats and chilling organ notes mixed with slow yet strong precussion selling everything behind two villains with the power of gods.
"Kings of the Sea" is used for Aquaman vs. Namor, a theme with grand violins mixed with ambient rock to fit two rulers of Atlantis in and out of the water. Special mention is the end, which switches to violent Jaws-style violin chords as Namor is eaten alive by anglerfish.
"MegaMania" is a mix of rock and electronic beats in the style of the Mega Man X soundtracks that starts off strong, fitting for a battle between 5 super fighting robots, then around the half way mark, Sithu Aye goes into an exciting and pulse-pounding guitar solo as a sign that the fight's getting real and the blue bombers aren't going down easily.
"Widow's Kiss" starts off with spaced, echoing notes during the lead-in of Natasha's mission, and maintains the melody even as heavier instrumentals join in once Amélie has her opponent's attention. At the end of the battle, the track goes quiet for a moment during Widowmaker's decapitation, and then a light piano melody plays over Black Widow's Bond One-Liner.
"Marvelous" is a heroic theme fitting both Captain Marvels. It even has bits from the main Avengers theme, as well as the main theme from Justice League Unlimited.
"Appetite for Greed" is a fusion of jazz and rock that sounds like it could have been plucked straight from the Wario Land series for Wario's fight with Dedede. With a music box interlude partway through keeping up the tempo, the song takes a fight between a obese treasure hunter and a royal penguin with a hammer and makes it as exciting as any straight-laced match the series has done before.
"Emerald Heroes" is a number that combines pianos, electric guitar, and plenty of synth to convey the vastness and wonders of space, with some vaguely incomprehensible chanting for an extra touch. In the violin segment near the end, Hal recites the Green Lantern mantra to give himself a second wind against Alien X.
"Winter Sonata" is an elegant orchestral theme that suits both heiresses of ice, with dominant violins and piano themes that convey the grace and technique of Weiss and Mitsuru. The theme goes into heavier beats of rock in a few moments, most notably when Weiss summons the Arma Gigas and to fade out when Weiss is frozen and shattered by Mitsuru.
"Falcon Uncaged" is a high speed techno rock theme that gets you pumped up for these two action stars to duke it out. Kudos to RichaadEB with the guitar solo finale, which kicks in as Captain Falcon summons the Blue Falcon to finish Johnny off.