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
Refuge of SoulsAncestral5:00Master of Fate2017D Standardmute1970-01-01
RefugeesVan Der Graaf Generator6:30The Least We Can Do Is Wave To Each Other1970E Standardmute1970-01-01
Refugio VitalAgora4:57Segundo Pasado2001E Standardmute1970-01-01
Refuse/ResistSepultura3:20Chaos A.D.1993D Standardmute1970-01-01
Regular People (Conceit)Pantera5:30Vulgar Display of Power1992Eb Standardmute1970-01-01
Rein RausRammstein3:13Mutter2001D Standardmute1970-01-01
Reino OlvidadoRata Blanca5:35Reino Olvidado2008E Standardmute1970-01-01
Reise ReiseRammstein4:14Reise Reise2004D Drop Cmute1970-01-01
Reise, Reise (Full Album)Rammstein47:45Reise, Reise (Full Album)2004D Drop Cmute1970-01-01
RejectedRancid2:16Rancid1993E Standardmute1970-01-01
Relative WaysAnd You Will Know Us By The Trail Of Dead4:08Relative Ways EP2001E Standardmute1970-01-01
RelaxFrankie Goes to Hollywood3:58Welcome to the Pleasuredome1983E Standardmute1970-01-01
Relax (Backing Track)Frankie Goes to Hollywood3:53Welcome To The Pleasuredome1983E Standardmute1970-01-01
Relax and ReflectYoko Shimomura3:00Final Fantasy XV OST2016E Standardmute1970-01-01
ReleaseImagine Dragons2:22Smoke and Mirrors (Deluxe)2015E Standardmute1970-01-01