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
Rock-ModeLiSA4:19Lover "S" Mile2012E Standardmute1970-01-01
Rockin' Around The Christmas TreeJohn Travolta & Olivia Newton-John2:17This Christmas2012E Standardmute1970-01-01
Roger RabbitSleeping With Sirens3:30If You Were a Movie, This Would Be Your Soundtrack2012E Standardmute1970-01-01
Romance En Re SostenidoPanda3:45Bonanza2012Eb Standardmute1970-01-01
Romantic DreamsDeftones4:41Koi No Yokan2012BEADGmute1970-01-01
Rome Is Where The Art IsElenora4:01Avant-Garde2012D Drop Cmute1970-01-01
Roots of the MountainEnslaved9:26RIITIIR2012Eb Drop Dbmute1970-01-01
RosemaryDeftones6:56Koi No Yokan2012Custom Tuningmute1970-01-01
Route AroundRebelution4:01Peace of Mind2012E Standardmute1970-01-01
Royal BloodBury Tomorrow3:56The Union of Crowns2012C# Drop Bmute1970-01-01
Royalty Into ExileAll Shall Perish4:27This Is Where It Ends2012C# Drop Bmute1970-01-01
Rudolph the Red Nosed ReindeerAugust Burns Red2:07August Burns Red Presents: Sleddin' Hill2012Drop Dmute1970-01-01
Ruina ImperiiSabaton3:29Carolus Rex2012Custom Tuningmute1970-01-01
Ruina ImperiiSabaton3:25Carolus Rex2012E Standardmute1970-01-01
RunDaughter4:05Smother2012E Standardmute1970-01-01