Pearl Jam have been named official ambassadors for this year's Record Store Day, April 13. Also in the news today: Garth Brooks joins the Pirates for spring training, Tidal introduces mute feature, Grammys post-game updates, TikTok takes heat for low payments to artists, and an atonal bluegrass song goes viral. [Audio sampled: Jahzzar - "Comedie" (CC BY 4.0); BoxCat Games - "Against The Wall" (CC BY 3.0); Pearl Jam - "Spin The Black Circle"; Childish Gambino - "This Is America" Post Malone - "rockstar (feat. 21 Savage)"; Jesse Spillane - "Ruffling Feathers" (CC BY SA 4.0); iLOVEFRiDAY - "Mia Khalifa"; Falling In Reverse - "Good Girls Bad Guys"; Merle Hazard - "(Gimme Some of That) Ol' Atonal Music"]