Tuesday:
>> Toronto emcee k-os (pictured) garnered significant attention stateside several years back with his single, “Superstarr Pt. Zero.” He’ll be at the Black Cat along with RPM. $15, 8 p.m.

Thursday:
>> The final Thursday of the month ritual continues as the “Afrobeat Party” at Bossa. DJ Underdog is in control of the tunes and special guest Cheick Hamala will be performing, as well. $5, 10 p.m.

Friday:
>> After first getting the word out about her new album through stripping her clothes off during a video shoot in downtown Dallas, Erykah Badu is going more conventional with a tour. Ms. Badu will be at Constitution Hall tonight and Saturday along with N.E.R.D., Bilal, Janelle Monae (Friday only) and The Roots’ drummer Ahmir “?uestlove” Thompson. $56-$76, 8 p.m.

>> “Three The House Way” brings together three of the area’s best known house DJs at U Street Music Hall. D.C.’s own Sam Burns, Richmond’s Doug Smith and DJ Oji of Baltimore will all be serving up some of the best dancefloor tunes to be found anywhere. Free before 11 p.m./$10 after 11 p.m., 10 p.m.

Sunday:
>> DJ Dredd has made a niche for himself by pitting iconic artists against each other in musical battle. This session will feature “Prince vs. Outkast” at the Black Cat. $12 in advance/$15 at the door, 9 p.m.

>> Specializing primarily in golden era hip-hop and other tracks of that nature, DJs 9th Wonder, Face and Cuzzin B will be setting up shop at the Z Lounge for the Memorial Day weekend set, “So Fresh.” $15 in advance, 9 p.m.