Here's the tracklisting:
1. Configuration [Select BGM]
2. Free Flyer / Challenger 1985 [Stage 1 BGM]
3. Fortress [Stage 2 BGM]
4. The Old Stone Age [Stage 3 BGM]
5. Fossil With Intention [Stage 4 BGM]
6. Don't Leave Me Alone [Stage 5 BGM]
7. Take Care [Boss 3 BGM]
8. The Final Enemy [Boss 2 BGM]
9. Tears Began Gushing [Extra Stage BGM]
10. Aircraft Carrier [Boss 1 BGM]
11. Ending [Ending BGM]
12. Game Over [Game Over BGM]
Notes:
Select BGM, Stage 4 BGM, Ending BGM - are original compositions
Stage 1 BGM, Boss 1 BGM, Game Over BGM - are from Gradius I
Stage 2 BGM, Stage 3 BGM, Boss 2 BGM, Boss 3 BGM - are from Gradius II
Stage 5 BGM, Extra Stage BGM - are from Gradius II MSX
Mostly compiled by KinetG:
https://www.youtube.com/playlist?list=P ... E7296FCFDD
I made one change to Boss 3 BGM though. KinetG has "A Fighter" listed from Gradius II MSX; I have "Take Care" from Gradius II.