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
Open Your Heart (Backing Track)Madonna4:18True Blue1986E Standardmute1970-01-01
Outsider HeartArchitects3:30Daybreaker2012Custom Tuningmute1970-01-01
Owner of a Lonely HeartYes4:31901251983E Standardmute1970-01-01
Pain In My HeartOtis Redding2:29Pain In My Heart1964E Standardmute1970-01-01
Parallel HeartsFictionJunction4:49PandoraHearts Original SoundTrack12009E Standardmute1970-01-01
Piece Of My HeartFaith Hill4:04The Hits1993Eb Standardmute1970-01-01
Piece Of My HeartJanis Joplin4:18Big Brother and the Holding Company1967E Standardmute1970-01-01
Piece Of My HeartSammy Hagar4:02Standing Hampton1981E Standardmute1970-01-01
Piece of My HeartDusty Springfield2:39Dusty... Definitely1968E Standardmute1970-01-01
Piece of My HeartJanis Joplin and Big Brother Holding Company4:24Dirty Tricks1969E Standardmute1970-01-01
Plastic HeartsMiley Cyrus3:30Plastic Hearts2020E Standardmute1970-01-01
Poison HeartRamones4:07Mondo Bizarro1992E Standardmute1970-01-01
Porcelain HeartOpeth8:03Watershed2008Drop Dmute1970-01-01
Porcelain Heart Lukkeren VersionOpeth8:10Watershed2008Drop Dmute1970-01-01
Portrait Of A Dying HeartSecret Sphere6:00Portrait Of A Dying Heart2012Eb Drop Dbmute1970-01-01