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
Mad HatterAvenged Sevenfold5:06Black Reign2018Drop Dmute1970-01-01
Mad WorldEvergreen Terrace2:59Writer's Block2004Drop Dmute1970-01-01
Made An AmericaThe Fever 3332:56Made An America2018D Standardmute1970-01-01
Make Me Smile (Come Up and See Me)Steve Harley & Cockney Rebel4:04The Best Years Of Our Lives1975E Standardmute1970-01-01
Map ChangeEvery Time I Die5:01Low Teens2016Drop Dmute1970-01-01
Mars SimulaChevelle4:21NIRATIAS2021Custom Tuningmute1970-01-01
Medieval OvertureReturn to ForeverBass2 5:23Romantic Warrior1976E Standardmute1970-01-01
Mega Man 2 - Dr Wily's Castle Stage 1SongeLeReveur2:42Game Soundtracks2010E Standardmute1970-01-01
MegfagytálDown For Whatever3:46Zuhanás2020Custom Tuningmute1970-01-01
Merry Christmas EveryoneShakin' Stevens3:42Shaky's Christmas Album1985E Standardmute1970-01-01
Metal MerchantsHallows Eve3:21Tales Of Terror1985Eb Standardmute1970-01-01
Mexican SunChevelle4:20Sci-Fi Crimes2009C# Drop Bmute1970-01-01
MiaChevelle2:24Point #11999D Standardmute1970-01-01
Midnight to MidnightChevelle4:29Vena Sera2007C Drop Abmute1970-01-01
MiscommunicationPrinceWhateverer4:02REIMAGINE2019D Drop Cmute1970-01-01