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
Peace Pipe	Cry Of Love			3:59	Brother	1993	E Standard	mute	1970-01-01
Peter Gunn Theme	The Blues Brothers			3:48	The Blues Brothers Complete	1998	E Standard	mute	1970-01-01
Petting Zoo Justice	Dance Gavin Dance			3:29	Mothership	2016	E Standard	mute	1970-01-01
Philosopher King	Dance Gavin Dance			3:41	Mothership	2016	E Standard	mute	1970-01-01
Piece Of My Heart	Janis Joplin			4:18	Big Brother and the Holding Company	1967	E Standard	mute	1970-01-01
Pirate Song	Running Wild			3:19	The Brotherhood	2002	E Standard	mute	1970-01-01
Pizza Day	The Aquabats			4:10	Myths, Legends And Other Amazing Adventures, Vol. 2	2000	E Standard	mute	1970-01-01
Pretty Little Ditty	Red Hot Chili Peppers			3:12	Mother's Milk	1989	E Standard	mute	1970-01-01
Pyramid	Wolfmother			4:30	Wolfmother	2005	E Standard	mute	1970-01-01
Pyramid	Wolfmother			4:29	Wolfmother	2006	E Standard	mute	1970-01-01
Rain	Sid			4:19	RainFullmetal Alchemist: Brotherhood OP5	2010	E Standard	mute	1970-01-01
Ramblin' Man	The Allman Brothers Band	Combo		4:53	Brothers and Sisters	1973	E Standard	mute	1970-01-01
Re-arranged	Limp Bizkit			4:43	Significant Other	1999	C# Standard	mute	1970-01-01
Refugees	Van Der Graaf Generator			6:30	The Least We Can Do Is Wave To Each Other	1970	E Standard	mute	1970-01-01
Remain Unbeaten	Malevolence			3:51	The Other Side	2020	D Drop C	mute	1970-01-01