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
Rat SaladBlack Sabbath2:32Paranoid1970E Standardmute1970-01-01
RawkfistThousand Foot Krutch3:05Phenomenom2003Drop Dmute1970-01-01
Re-AnimationSacrifice3:51Forward To Termination1987Eb Standardmute1970-01-01
Re-WiredKasabian4:44Velociraptor!2011E Standardmute1970-01-01
Ready to flyTakanaka Masayoshi6:10Takanaka1979E Standardmute1970-01-01
Reason Is TreasonKasabianBass2 4:39Kasabian2003E Standardmute1970-01-01
Rebel Army Theme (Final Fantasy 2)Saitama Saisyu Heiki3:30MADE In Saitama2002Drop Dmute1970-01-01
Reborbate RomanceBlacklisted Me Feat.Samie Jayden3:21Blacklisted Me2011E Standardmute1970-01-01
Reborn Of NightmareThousand Leaves3:51Black Cloak Skeleton2013Eb Drop Dbmute1970-01-01
Reckless CityTakahashi Youichi & Masayuki Kishi2:43M.D. Geist1986E Standardmute1970-01-01
Recollection DisasterShinigiwa Satellite3:27DEAD WEIGHT2017Drop Dmute1970-01-01
ReconquistaTierra Santa4:03Legendario1999E Standardmute1970-01-01
Red CloudsDisarmonia Mundi5:20Fragments Of D-Generation2004Custom Tuningmute1970-01-01
Red HatchetThe Safety Fire5:38Mouth of Swords2013Custom Tuningmute1970-01-01
Red StarsThe Birthday MassacreBass2 3:45Walking With Strangers2007Drop Dmute1970-01-01