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
Of Immortal AeonsMyGrain5:46Mygrain2011D Drop Cmute1970-01-01
Of Whips and StringsSuper Guitar Bros4:43ampire Variations: A Musical Tribute to Castlevania2011E Standardmute1970-01-01
Off With Her HeadIcon For Hire3:08Scripted2011Eb Drop Dbmute1970-01-01
OhFIDLAR2:24DIYDUI2011E Standardmute1970-01-01
Oh Well, Oh WellMayday Parade4:51Mayday Parade2011Drop Dmute1970-01-01
Ohayou, Mata AshitaHoukago Tea Time4:55Singing!2011E Standardmute1970-01-01
OhioisonfireOf Mice And Men3:08The Flood2011D Drop Cmute1970-01-01
Oi Kora!Yasuhiro Misawa2:16Yuruyuri no Ongaku YURUYURI ORIGINAL SOUNDTRAC2011E Standardmute1970-01-01
Old FriendDisturbed3:37The Lost Children2011D Drop Cmute1970-01-01
Old Friend (Acoustic)EarlyRise4:03What If2011E Standardmute1970-01-01
Old Friends Don't Mean ShitWeekend Nachos0:42Worthless2011B Drop Amute1970-01-01
OmagatokiEine Kleine2:20Izayoi Kagura2011Eb Drop Dbmute1970-01-01
Omokage Warpnano.ripe3:36Hanasaku Iroha2011E Standardmute1970-01-01
On Stirring Seas of Salted BloodThe Black Dahlia Murder4:42Ritual2011C Standardmute1970-01-01
On a Stranded ShoreAmorphis4:15The Beginning of Times2011D Standardmute1970-01-01