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 ZenithOur Lady Peace3:49Naveed1995Eb Standardmute1970-01-01
Under a Funeral MoonDarkthrone5:05Under a Funeral Moon1993E Standardmute1970-01-01
Under a Glass MoonDream Theater7:11Images and Words1992E Standardmute1970-01-01
Under and Over ItFive Finger Death Punch3:41American Capitalist2011Custom Tuningmute1970-01-01
Under the GunDanger Danger4:41Danger Danger1990E Standardmute1970-01-01
Under the Metal CommandJackdevil4:23Unholy Sacrifice2014E Standardmute1970-01-01
Under the Northern FullmoonDark Forest Canada8:12Aurora Borealis2006E Standardmute1970-01-01
Under the PillowRiverside6:50Love, Fear and the Time Machin2015E Standardmute1970-01-01
Under the Running Board EP Full ChartThe Dillinger Escape Plan7:36Under the Running Board1998E Standardmute1970-01-01
Undercover AngelAlan O'Day3:29Appetizers1977E Standardmute1970-01-01
Undercover MartynTwo Door Cinema Club2:52Tourist History2010E Standardmute1970-01-01
UndergroundBen Folds Five4:18Ben Folds Five1995E Standardmute1970-01-01
UndergroundLindsey Stirling4:12Artemis2019E Standardmute1970-01-01
Underneath A Sullen MoonShadow Of Intent4:47Single2018Custom Tuningmute1970-01-01
Underneath A Sullen Moon (alt version)Shadow Of Intent4:42Melancholy2019C Drop Abmute1970-01-01