Wednesday:
>> It’s been a while, but “Beat Grinder” is back. Ten producers will battle at Liv over three rounds as this month’s show tips its hat to Gil Scott-Heron. Grap Luva will serve as the host while Damu the Fudgemonk and Underdog the DJ will be on the turntables. $7, 9 p.m.

Thursday:
>> “District Bass” goes down every Thursday at Republic and features music ranging from funk to drum & bass. DJs John Bowen, Slant, and bjoo will be sharing the spotlight with special guest Jon H. of Fort Knox Five. $5, 9 p.m.

Friday:
>> The DC51 Artist Collective is kicking off with a performance at the Rock and Roll Hotel featuring live hip-hop and electronic music. On the bill are Drop Electric, Christylez Bacon, GODISHEUS, and The Cornel West Theory. $10, 8:30 p.m.

>> With a dress code described as b-boy or b-girl, it makes sense that DJ Dredd‘s “Close 2 The Edge” party at the Black Cat will feature old school hip-hop favorites, with a holiday twist. $6, 9 p.m.