- "Savior of Song" has a nice tune, and Surprisingly Good English. The main singer, nano, is a Japanese-American who was born in New York and is fully fluent in both languages.
- "Blue Field" has its charms as well.
- "Silver Sky", which accompanies the climactic scene of episode 10.
- The anime's soundtrack offers us "SAVIOR", "Stirring-Soul", "Speed Battle" and "Tempest".
- The recap movie "Ars Nova DC" is capped off with another of nano's songs as the ending theme, "Rock On".
- The sequel movie "Cadenza" also has another of her songs, "Last Refrain", as an insert song.