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
RedshiftDestinity3:59Resolve In Crimson2012C# Standardmute1970-01-01
RedwoodsScale the Summit4:31The Collective2012E Standardmute1970-01-01
ReflectionCatch The Sun3:48Aspiration2012D Standardmute1970-01-01
Regain the FireInsomnium4:30One For Sorrow2012D Standardmute1970-01-01
Reign of DarknessThy Art Is Murder3:38Hate2012AEADGmute1970-01-01
Reiketsu NarisebaDIR EN GREY3:39Uroboros Remastered & Expanded2012Eb Drop Dbmute1970-01-01
RejoinDethklok4:56Dethalbum 32012C Standardmute1970-01-01
ReleaseElder12:01Spires Burn/ Release2012D Drop Cmute1970-01-01
RemedyState Champs3:47Overslept2012Drop Dmute1970-01-01
Remember The FutureSentenced To Dissection3:54Between The Worlds2012B Drop Amute1970-01-01
RemnantsBe'lakor6:17Of Breath And Bone2012D Standardmute1970-01-01
Remnants of the torturedAbominable Putridity3:11The Anomalies of Artificial Origin2012B Drop Amute1970-01-01
Remote ControlKamimine Rin & Len5:13EXIT TUNES PRESENTS Vocalogemini2012E Standardmute1970-01-01
RepentYngwie Malmsteen3:15Spellbound2012Eb Standardmute1970-01-01
Requiem for the IndifferentEpica8:36Requiem for the Indifferent2012B Standardmute1970-01-01