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
Push	Stand Atlantic			3:45	Sidewinder	2017	Eb Drop Db	mute	1970-01-01
Push It	Garbage			4:06	Version 2.0	1998	Drop D	mute	1970-01-01
Pushing Daisies	Belmont			2:53	Belmont	2018	Eb Drop Db	mute	1970-01-01
Pushing Me Away (Ramen's Ver)	Linkin Park			3:16	Hybrid Theory	2000	Eb Drop Db	mute	1970-01-01
Pushit	Tool			9:59	AEnima	1996	Drop D	mute	1970-01-01
Pussyfoot	SikTh			3:30	The Trees Are Dead & Dried Out Wait For Something Wild	2003	Eb Drop Db	mute	1970-01-01
Pussywhipped	Steel Panther			4:40	All You Can Eat	2015	Eb Drop Db	mute	1970-01-01
Put Yer Money Where Yer Mouth Is	Oasis			4:28	Standing On The Shoulder Of Giants	2000	Eb Drop Db	mute	1970-01-01
Put You In A Song	Keith Urban			3:40	Get Closer	2010	Drop D	mute	1970-01-01
Putting Holes in Happiness	Marilyn Manson			4:31	Eat Me, Drink Me	2007	Drop D	mute	1970-01-01
Pylori	Birds In Row			2:27	You, Me, & the Violence	2012	Drop D	mute	1970-01-01
Pää Kylmänä	Kotiteollisuus			4:41	Ukonhauta	2009	Eb Drop Db	mute	1970-01-01
Quake Theme	Nine Inch Nails			1:25	Quake	1996	Drop D	mute	1970-01-01
Que No	Deluxe			3:53	If Things Were To Go Wrong	2003	Drop D	mute	1970-01-01
Queen of Rose	Daisuke Ishiwatari			3:49	Blazblue Calamity Trigger	2008	Drop D	mute	1970-01-01