Silksong is hidden behind one of these

beatmania IIDX 3rd style Original Soundtracks

Drakengard 3 Original Soundtrack

DOOM Anthology Original Game Soundtrack

Isekai Nonbiri Nouka 2 - OP: It's a beautiful story

Mega Man ZX Advent Soundtrack: ZXA Tunes

Nioh 2 Original Soundtrack

Spy x Family - Comedy

Ninjala Original Soundtrack Vol.2

No More Heroes III Original Sound Version

Solo Leveling Original Soundtrack

GUNDAM: Next Universal Century Original Soundtrack

Banjo-Kazooie Nuts & Bolts Original Soundtrack