Mixed Blood Majority is Crescent Moon (of Kill The Vultures) and Joe Horton (of No Bird Sing) and producer Lazerbeak (of Doomtree) and they’re celebrating the release of their new album, “Insane World.” MBM will be joined by P.O.S and Grrrl Prty. Presented by 89.3 The Current. First Avenue Mainroom. Friday, December 11. 8:00pm. $16.00. 18+.