>> The 3rd annual Can A Sista Rock A Mic? Festival kicks tonight off at the Rock and Roll Hotel. Bahamadia and Emoni Fela among others will be performing tonight, stay tuned for a full preview from us later. 9 p.m., $12. >> Like we mentioned in the jazz agenda, pianist Abdullah Ibrahim is one of the most influential jazz musicians to come out of South Africa, and tonight he’ll be at Blues Alley…

FRIDAY: >> There’s another Hirshhorn AfterHours event planned for tonight, when the museum stays open late for a party, this time featuring DJ Spencer Product in a celebration of the new exhibit Wolfgang Tillmans. $10 in advance, $12 at the door, 8 p.m. to midnight. >> KRS-One is “The Teacher” for a reason — besides being an over-40 MC still preaching against violence, misplaced hatred, and government corruption, he’s also been a crucial influence for…