ShredDB is an experimental .shred library, I removed the audio so it's pretty useless. You can find the source .psarc files here.

Song	Artist	Play	Shred	Length	Album	Year	Tuning	Uploader	Updated	Delete
SNES Rainbow Road	Atsuko Asahi	Bass2		1:58	Mario Kart 8 Deluxe: Original	2017	Custom Tuning	mute	1970-01-01