81 - Emerald Hill edit (GHZ1)
82 - S3K Hidden Palace (LZ1)
83 - Marble Garden Act 2 (MZ1)
84 - Endless Mine (SLZ1)
85 - Casino Night (SYZ1)
86 - Panic Puppet Act 2 (SBZ1)
87 - S3K Invincibility (Sonic's invincibility)
88 - S&K Extra Life (Sonic's extra life)
89 - S3D Special Stage (Sonic's SS)
8A - S3D Beta Special Stage (Tails' SS)
8B - S&K Mini-boss theme, I think (cutscene after SBZ2)
8C - S3K Boss (GHZ Boss)
8D - Final Zone edit (FZ)
8E - S3 End-of-act (Sonic's end-of-act)
8F - S1 Game Over
90 - S1 Continue
91 - Speed Queen (speed shoes)
92 - Drowning tune edit  (Drowning)
93 - Emerald
94 - Azure Lake drum-edit (GHZ2)
95 - Door into Summer (GHZ3)
96 - Hidden Palace S2 (LZ2)
97 - Labyrinth 8-bit (LZ3)
98 - Marble Garden Act 1 drum edit (MZ2)
99 - Marble voice+drums+psg edit (MZ3)
9A - Another Part of Me (SLZ2)
9B - Star Light voice+drums edit (SLZ3, and Tweaker did this one)
9C - Casino Night 2P (SYZ2)
9D - Balloon Park drum-edit / Doraemon Bonus-Stage (not sure about this one... SYZ3)
9E - Panic Puppet Act 1 (SBZ2)
9F - Scrap Brain Edit (SBZ3)
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E5 - S2 Super Sonic (Super Sonic)
E6 - S3 Title Screen PSG Edit (Title screen)
E7 - S3K Data screen (Tails' level select)
E8 - Ristar - Area clear, go ahead (Tails' end-of-act)
E9 - Sonic 2 Boss (MZ Boss)
EA - "SEGA" tune (SEGA screen)
EB - S1 Credits (Credits)
EC - S2 Invincibility (Super Tails)
ED - S&K Mini-boss (again, this time for the SYZ Boss)
EE - S1 Boss Drum+Voice edit (SLZ Boss)
EF - Doomsday (LZ Boss, and this IS going to be replaced)
F0 - Panic Puppet Act 1 (again, this time for Sonic's level select)
F1 - S3 Extra Life (Tails' Extra Life)
F2 - S3 Invincibility (Tails' invincibility)
F3 - Space Harrier - Main Theme (aka Cinossu's S2B Screen)
F4 - Scrap Brain 8-bit (Post-beating the FZ boss)
F5 - A bad attempt at an 8-bit death tune, not using it anymore.