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
Under the Three SpheresMithras3:22Behind The Shadows Lie Madness2007Custom Tuningmute1970-01-01
Under the Weeping MoonOpeth9:55Orchid1995E Standardmute1970-01-01
Under the roseHIM4:49Dark Light2005E Standardmute1970-01-01
UnderHeavenDestructionYoshihiro Kusano4:12BlazBlue OST2008D Standardmute1970-01-01
Underclass HeroSum 413:17Underclass Hero2007E Standardmute1970-01-01
Undercover AngelAlan O'Day3:29Appetizers1977E Standardmute1970-01-01
Undercover MartynTwo Door Cinema Club2:52Tourist History2010E Standardmute1970-01-01
UnderdogAlicia Keys3:33Alicia2019Eb Standardmute1970-01-01
UnderdogKasabianBass2 4:37West Ryder Pauper Lunatic Asylum2009E Standardmute1970-01-01
UnderdogMotionless In White3:59Infamous2012C# Drop Bmute1970-01-01
UnderdogYou Me At Six2:28Hold Me Down2010E Standardmute1970-01-01
UndergroundBen Folds Five4:18Ben Folds Five1995E Standardmute1970-01-01
UndergroundGOB3:36Muertos Vivos2007D Drop Cmute1970-01-01
UndergroundLife of Agony4:40River runs red1993D Drop Cmute1970-01-01
UndergroundLindsey Stirling4:12Artemis2019E Standardmute1970-01-01