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
Proud Mary	Tina Turner			2:37	Best Of/Proud Mary	1991	E Standard	mute	1970-01-01
Rain N Tears	Afrodites child			3:13	Best Of(Remaster 1990)	1968	E Standard	mute	1970-01-01
Regret 1993	New Order			4:11	Best Of	1994	E Standard	mute	1970-01-01
Remember	Flow			3:23	Best of Naruto	2006	E Standard	mute	1970-01-01
Revvin' Up	Crush 40			4:38	Best Of Crush 40	2009	E Standard	mute	1970-01-01
Roll Over Beethoven	Chuck Berry			2:27	The Very Best Of Chuck Berry	2010	E Standard	mute	1970-01-01
Romeo & Juliet	Dire Straits			6:03	Best Of Dire Straits & Mark Knopfler	1980	Opend G	mute	1970-01-01
Run Runaway	Slade			3:49	The Very Best of Slade	1983	E Standard	mute	1970-01-01
Runaground	James			4:13	The Best of James	1998	E Standard	mute	1970-01-01
School	Supertramp			5:40	The Very Best of Supertramp	1989	E Standard	mute	1970-01-01
Sekai ga Owaru Made wa ...	WANDS			5:19	THE BEST OF TV ANIMATION SLAMD	2003	E Standard	mute	1970-01-01
Self Control	Laura Branigan			4:09	The Best of Branigan	1984	Custom Tuning	mute	1970-01-01
Shake & Tumble	Firehouse			3:34	Playlist: The Very Best Of Fir	2010	Eb Standard	mute	1970-01-01
Smilife	Stereopony			3:40	Best of Stereopony	2012	E Standard	mute	1970-01-01
Someday	Lee Roy Parnell	Bass2		3:56	The Best of Country Sing the Best of Disney	1996	Drop D	mute	1970-01-01