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
Rusty James	Green Day			4:12	Uno!	2012	E Standard	mute	1970-01-01
Ruumiinmultaa	Korpiklaani			3:40	Manala	2012	B Standard	mute	1970-01-01
Ruyalarda Burusmusuz	Adamlar			3:34	Ruyalarda Burusmusuz	2019	E Standard	mute	1970-01-01
Rx (Medicate)	Theory of a Deadman			3:57	Wake Up Call	2017	Eb Standard	mute	1970-01-01
Rymin and Stealin	Beastie Boys			4:10	Licensed to Ill	1986	E Standard	mute	1970-01-01
Ryoko's Theme	Seikou Nagaoka			3:50	Tenchi-Muyo! OVA Best (Volume 1)	1997	D Standard	mute	1970-01-01
Ryoujoku no Ame	DIR EN GREY			4:05	THE MARROW OF A BONE	2007	Eb Drop Db	mute	1970-01-01
Ryoume Hirakeba Kikyou Saku	UNDEAD CORPORATION			3:41	Oni Togizoushi	2011	AEADG	mute	1970-01-01
Rythm of the beast	Nicko McBrain (Feat.Dave Murray)			5:58	Rythm of the beast	1991	E Standard	mute	1970-01-01
Ryu's Theme (CPS1)	Yoko Shimomura			0:52	Street Fighter II	1991	E Standard	mute	1970-01-01
Ryu's Theme - Viator	Street Fighter 6			4:05	Street Fighter 6	2022	Custom Tuning	mute	1970-01-01
Ryumka vodki na stole	Grigorij Leps			4:21	Na strunah dozhdya...	2002	E Standard	mute	1970-01-01
Ryumka vodki na stole	Grigoriy Leps			4:27	Na strunah dozhdya	2002	E Standard	mute	1970-01-01
Rzeczom	Odraza			5:45	Rzeczom	2020	D Standard	mute	1970-01-01
S.M.A.S.H.	Pungent Stench			2:43	Been Caught Buttering	1991	C# Standard	mute	1970-01-01