D.C. resident Mark Charles Heidinger is an active member of the eccentric indie-rock band These United States, based in Kentucky. But he’s about to release his second solo album, Divide & Conquer, under his alt-folk alias, Vandaveer. He’s having a hometown CD release party this Thursday, Aug. 20, at 8 p.m. Black Cat, 1811 14th St. NW. Tickets are $10. Call 202-667-4490 or visit www.blackcatdc.com.