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
RattlesnakeKing Gizzard and the Lizard Wizard7:49Flying Microtonal Banana2017Custom Tuningmute1970-01-01
Raven's Flight (S.O.F.'s version)Amon Amarth5:27Berserker2019Custom Tuningmute1970-01-01
RaylessChris Letchford4:07Lightbox2014Custom Tuningmute1970-01-01
RazbitbI MechtbIKaif3:57Single2008Custom Tuningmute1970-01-01
RazoreaterAmenra7:04Mass IV2008Custom Tuningmute1970-01-01
Re-CrucifiedRevocation3:55Netherheaven2022Custom Tuningmute1970-01-01
Reading:SteinerGravemind3:56Conduit2019Custom Tuningmute1970-01-01
Reality Dream IIIRiverside5:05Second Life Syndrome2005Custom Tuningmute1970-01-01
RealizeKonomi Suzuki4:01Realize2020Custom Tuningmute1970-01-01
ReassembleA Day To Remember4:00Bad Vibrations2016Custom Tuningmute1970-01-01
ReaverBrymir3:46Wings of Fire2019Custom Tuningmute1970-01-01
RebirthAngra5:21Rebirth2001Custom Tuningmute1970-01-01
RebirthMors Principium Est3:32Seven2020Custom Tuningmute1970-01-01
Rebirth (Ramen's Ver)ERRA4:55Augment2013Custom Tuningmute1970-01-01
Rebirth of An Inverted WorldWithin Destruction4:39Void2016Custom Tuningmute1970-01-01