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
Painful #2	Eir Aoi			1:38	Fate/Zero OST	2011	E Standard	mute	1970-01-01
Pangaea	August Burns Red			4:23	Leveler	2011	D Drop C	mute	1970-01-01
Pangaea	August Burns Red			4:23	Leveler	2011	D Drop C	mute	1970-01-01
Panic (No Bass)	Sublime with Rome			2:23	Yours Truly	2011	E Standard	mute	1970-01-01
Paradigm Shift	Naoshi Mizuta			3:13	Final Fantasy XIII 2	2011	E Standard	mute	1970-01-01
Paradise	Coldplay			4:41	Mylo Xyloto	2011	E Standard	mute	1970-01-01
Paralyzed	As I Lay Dying			3:06	Decas	2011	Eb Drop Db	mute	1970-01-01
Pareidolia	Elena Siegman			6:16	Call Of Duty: Black Ops Zombies	2011	Custom Tuning	mute	1970-01-01
Party (Ich Will Abgehn) (Michael Mind Project Edit)	Die Atzen	Bass2		3:40	Party (Ich Will Abgehn)	2011	Custom Tuning	mute	1970-01-01
Party Rock Anthem	LMFAO			4:28	Sorry for Party Rocking	2011	E Standard	mute	1970-01-01
Party Tonight	Mordecai And The Rigbys			3:11	Mordecai	2011	E Standard	mute	1970-01-01
Passacaglia	Rami HannaLEB/Handel			4:49	Handel	2011	E Standard	mute	1970-01-01
Passing	Widek			3:55	2010/2011 Songs	2011	Custom Tuning	mute	1970-01-01
Passing ft. Alexander 'Backe' Backlund	Widek & Backe			4:00	2010/2011 Songs	2011	Custom Tuning	mute	1970-01-01
Past Regrets, Future Threats	Call Atlantis			2:53	L'Esprit de l'Escalier	2011	Drop D	mute	1970-01-01