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
Pe na porta, soco na cara	Matanza			3:03	Musica para beber e brigar	2003	E Standard	mute	1970-01-01
Piano Sonata No 16 - Andante	Wolfgang Amadeus Mozart			6:27	Classical Music Project (CMP)	2015	E Standard	mute	1970-01-01
Plain	311			3:03	Music	1994	E Standard	mute	1970-01-01
Pop's Love Suicide	Stone Temple Pilots			3:53	Tiny Music... Songs From The Vatican Gift Shop	1996	E Standard	mute	1970-01-01
Putting Down	The Tragically Hip	Bass2		3:17	Music at Work	2000	E Standard	mute	1970-01-01
Raison d'etre	DenKare			4:18	Denki's Music Collection I	2010	Eb Standard	mute	1970-01-01
Reach Out To The Truth	Shihoko Hirata			4:02	Persona Music Live Band	2010	E Standard	mute	1970-01-01
Real Great Britain	Asian Dub Foundation			3:13	Community Music	2000	E Standard	mute	1970-01-01
Remedy	The Black Crowes			5:26	The Southern Harmony and Musical Companion	1992	Opend G	mute	1970-01-01
Resident Evil Main Theme	Marilyn Manson			2:12	Resident Evil: Music From And Inspired By The Original Motion Picture	2002	E Standard	mute	1970-01-01
Respect for the Dead	Beneath The Sky			5:41	The Day The Music Died	2008	C Standard	mute	1970-01-01
RetroFuture Dirty	Kevin MacLeod			3:28	Royalty Free Music	2012	E Standard	mute	1970-01-01
Revolting Children	Matilda the Musical			2:35	Matilda the Musical (Original London Cast Recording)	2011	E Standard	mute	1970-01-01
Ride the Cliche	Stone Temple Pilots			3:22	Tiny Music...Songs from the Vatican Gift Shop	1996	E Standard	mute	1970-01-01
Ridiculosous	Electrocution 250			3:11	Electric Cartoon Music From Hell	2004	E Standard	mute	1970-01-01