NINA WINTHROP & DANCERS AT THE FLEA THEATRE Five performances are showing through May 19-23, including the premiere of Cumulus, a piece about time, aging and the accumulation of memories. Wednesday-Saturday, May 19-22 at 7 p.m.; Sunday May 23 at 3 p.m. Flea Theatre, 41 White Street, $15; $12 for students and seniors. (212) 696.7483.
US DEBUT AT THE JOYCE The Richard Alston Dance Company makes its US debut at The Joyce Theater, May 11-16. 8pm, $38, 212-242-0800 or www.joyce.org. 175 Eighth Avenue at 19th Street.