* SugarWiki/AwesomeMusic: Obviously ''Aqualung'' and ''Thick As A Brick'', also ''A Passion Play'' and ''Songs From The Wood''.
** ''Heavy Horses'' and ''Broadsword and the Beast'', and that's not even getting into individual songs.
** ''Minstrel in the Gallery'' too.
* BigLippedAlligatorMoment: "THIS is the story of the hare who lost his spectacles!"
* CoveredUp: "Bouree" by Bach.
* EpicRiff: "Aqualung", "Locomotive Breath", several others.
** The opening riff to ''Thick as a Brick'' may be the band's most recognizable.
** "Sweet Dream" has a particularly notable riff.
* EveryoneIsJesusInPurgatory: Justified in a lot of songs (such as "A Passion Play") but also overdone in others. "Thick as a Brick" is basically [[{{Troll}} trolling]] people on the subject.
* FaceOfTheBand: To the point where people think JethroTull is the guy's name. It's Ian Anderson. Jethro Tull ''is'' a person's name, but he's an historical figure known for inventing the seed drill. It's comparable to assuming that FranzFerdinand is a solo artist.
* FandomRivalry: With Music/{{Metallica}}, due to their controversial Grammy win.
* GrowingTheBeard: The inclusion of guitarist Martin Barre (during ''Stand Up'') and keyboardist John Evan (during ''Benefit''), which greatly expanded and tightened the band's sound.
* HarsherInHindsight: ''Too Old To Rock 'N' Roll: Too Young To Die!'' marked the first appearance of Tull's third bassist John Glascock. Three and a half years after that album, he passed away at age 28; not too old to rock 'n' roll, but certainly too young to die.
** Whether it's this or [[HilariousInHindsight hilarious]] (or both), Mick Abrahams wrote and sang the song "Move on Alone" for the band's first album. Abrahams would leave the band shortly after the album's release. Ian Anderson lampshades it in the linear notes for the release of ''This Was''.
* HeartwarmingMoments: On ''Ian Anderson Plays the Orchestral Jethro Tull'', Ian dedicates their performance of "Life Is a Long Song" to all musicians who have passed on, specifically mentioning [[LedZeppelin John Bonham]], [[TheWho Keith Moon]], and JimiHendrix.
* HoYay: For decades a live concert staple has involved Ian Anderson sticking his flute between Martin Barre's legs in a distinctly phallic manner, and fiddling with the protruding end of it for a while. Generally this ends with a disgusted look at the free hand, then wiping it as if now covered with something very sticky.
* IAmNotShazam: See FaceOfTheBand.
* MagnumOpus: A few of their albums are considered to be this. The strongest contenders are probably ''Aqualung'' and ''Thick As A Brick''. Many consider ''A Passion Play'' to be this.
* NightmareFuel:
** [[http://www.progarchives.com/forum/uploads/16221/a_passion_play_small.jpg The cover of ''A Passion Play'']]. A dead ballerina with blood dripping from the side of her mouth, staring right at you.
** ''[[http://www.progarchives.com/progressive_rock_discography_covers/418/cover_1740152292009.jpg Broadsword and the Beast]]'' is pretty creepy as well. Ian Anderson as some kind of fairy with a SlasherSmile and a {{BFS}} is not a comforting sight.
** "Left Right" begins with nearly a minute of horrible mewling noises, making it a First Note Nightmare as opposed to a LastNoteNightmare. Ugh.
** ''"Per errationes ad astra? Then dream, dream on. The dream is all. All good sense gone."'' The fact that it is the only sung line in a spoken word piece, and that Ian chants it like a monk with no backing instruments, is what makes this line NightmareFuel. Plus, the piece itself is meant to be an extra-terrestrial warning about mankind's potential to do harm to any worlds it encounters...
* SomeAnvilsNeedToBeDropped: Many of their songs are incredibly {{Anvilicious}}, but it doesn't take away from the music.
* TheyChangedItNowItSucks: More of an issue during the band's more active years. Since Tull changed its sound every few albums, criticism was pretty inevitable.
* TrueArtIsIncomprehensible: There are websites dedicated to deciphering Ian Anderson's lyrics.
** [[http://www.cupofwonder.com/apassion4.html This site]] goes through ''A Passion Play'' line-by-line.
* WhatDoYouMeanItWasntMadeOnDrugs: Quite a few commentaries about the band's history like to imply that Anderson was on drugs of some kind. The fact is that Anderson doesn't do any drugs at all and only rarely drinks. In fact, he has claimed that his few experiments with drugs hindered his creative process.
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