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
RealizeAC/DC3:40Power Up2020E Standardmute1970-01-01
Red Madness And My DesireYuyoyuppe2:33Yuyoyuppe2012C Standardmute1970-01-01
Redshift RidersJoe Satriani4:53Super Colossal2006E Standardmute1970-01-01
Reelin'Iration4:41Hotting Up2015E Standardmute1970-01-01
Reprogrammed to HateWhitechapel3:48A New Era of Corruption2010AEADGmute1970-01-01
RequiemSnot3:41Strait Up2000AEADGmute1970-01-01
ReservoirPUP3:20PUP2014Eb Standardmute1970-01-01
Reservoir (S.O.F.'s Version)PUP3:22PUP2013Eb Standardmute1970-01-01
ReunionM833:58Hurry Up, We're Dreaming!2011E Standardmute1970-01-01
Revelation 12Marilyn Manson4:42Heaven Upside Down2017Drop Dmute1970-01-01
RhinosaurSoundgarden3:21Down on the Upside1996Drop Dmute1970-01-01
Ricco HarborKoji Kondo3:06Super Mario Sunshine Original Soundtrack2002E Standardmute1970-01-01
Rip It UpOrange Juice5:25Rip It Up1982Drop Dmute1970-01-01
Road to HeavensTime Machine4:28Supernumerary Earth Commander1993E Standardmute1970-01-01
Road to VictoryKeiji Yamagishi4:05Captain Tsubasa II - Super Striker1990E Standardmute1970-01-01