* Theater: "Side Man," Warren Leight's 1999 best play Tony winner about one man's obsession with jazz and the effects it has on his wife and son, closes Sunday at the Pasadena Playhouse, 39 S. El Molino Ave., Pasadena. Today-Friday, 8 p.m.; Saturday, 5 and 9 p.m.; Sunday, 2 and 7 p.m. $15 to $42.50. (626) 356-PLAY.* Theater: "Last Train to Nibroc," Arlene Hutton's old-fashioned romance about a 1940 meeting between two disappointed souls, closes Sunday at the Tamarind Theatre, 5919 Franklin Ave., Hollywood. Friday and Saturday, 8 p.m.; Sunday, 6 p.m. $26 to $29. (323) 655-TKTS.* Dance: Ballet Pacifica ends its 2000-01 Dance Concert Series with "Jazz: Just Feel It!," four performances inspired by or featuring jazz music. Friday, 8 p.m.; Saturday, 2:30 and 8 p.m. Irvine Barclay Theatre, 4242 Campus Drive, Irvine. Adults, $24; students or seniors, $20; $8 rush tickets subject to availability. (949) 854-4646.* Art: An exhibition of recent free-standing sculptures by John Chamberlain and large-scale paintings by Ed Moses will close Saturday at L.A. Louver, 45 N. Venice Blvd., Venice. Today-Saturday, 10 a.m.-6 p.m. Free. (310) 822-4955.