So I know Castlevania is a very well known series, but Lament of Innocence and Curse of Darkness seem to never get any love. Almost every track in these games are fantastic, so Im posting 2 of my favorites below but there are plenty of songs in each game that are worth listening to.
Eneomaos Machine Tower - Curse of Darkness https://www.youtube.com/watch?v=2Cj6Vgt-U94
House of Sacred Remains - Lament of Innocence https://www.youtube.com/watch?v=AohscTU5PZc