I've had these for years and I'm 99% sure they are all original songs NOT re-mixes of existing Castlevania music, enjoy.
01_prelude.mp3
02_inori.mp3
03_rush.mp3
04_cursed.mp3
05_gatekeeper.mp3
06_stgclear.mp3
07_echoes.mp3
08_redmoon.mp3
09_toiki.mp3
10_groan.mp3
11_prison.mp3
12_instinct.mp3
13_museum.mp3
14_deathsymph.mp3
15_deathtower.mp3
16_seijaku.mp3
17_bloodybattle.mp3
18_lastbossclr.mp3
19_ending.mp3
20_gameover.mp3
Also if anyone knows the composer I would love to give them credit.
01_prelude.mp3
02_inori.mp3
03_rush.mp3
04_cursed.mp3
05_gatekeeper.mp3
06_stgclear.mp3
07_echoes.mp3
08_redmoon.mp3
09_toiki.mp3
10_groan.mp3
11_prison.mp3
12_instinct.mp3
13_museum.mp3
14_deathsymph.mp3
15_deathtower.mp3
16_seijaku.mp3
17_bloodybattle.mp3
18_lastbossclr.mp3
19_ending.mp3
20_gameover.mp3
Also if anyone knows the composer I would love to give them credit.