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
ReigniteKillswitch Engage3:03Incarnate2016Drop Dmute1970-01-01
Relax and ReflectYoko Shimomura3:00Final Fantasy XV OST2016E Standardmute1970-01-01
Remain IndoorsPeriphery6:13Periphery III: Select Difficulty2016Custom Tuningmute1970-01-01
Remarkably HumanNick Johnston6:41Remarkably Human2016Eb Standardmute1970-01-01
Remember WhenHatebreed2:43The Concrete Confessional2016D Drop Cmute1970-01-01
ReminiscenceWith Different Eyes3:49Inevitable2016Custom Tuningmute1970-01-01
Remove Your MaskWolfmother4:00Victorious2016E Standardmute1970-01-01
Reprise (The Sound Of The End)Bad Omens3:26Bad Omens2016B Drop Amute1970-01-01
Requiem of SilenceSuehiro Kenichirou7:06Re:Zero Soundtrack2016E Standardmute1970-01-01
Rest In PeaceYellowcard4:11Yellowcard2016D Drop Cmute1970-01-01
RestlessBreakdown of Sanity3:13Coexistence2016B Drop Amute1970-01-01
ResurrectingElevation Worship7:52Here As In Heaven2016E Standardmute1970-01-01
ResurrectionWith Different Eyes4:42Inevitable2016Custom Tuningmute1970-01-01
RetributionDevilDriver4:04Trust No One2016D Drop Cmute1970-01-01
ReverendKings of Leon3:58WALLS2016E Standardmute1970-01-01