Oahu Choral Society: Rehearsals for a new concert season with the Honolulu Symphony begin Aug. 5 and continue 7 to 9:30 p.m. Mondays at the UH-Manoa Music Department, Room 36. Experienced singers may call Joe McAlister at 595-0327.
Pacific Music Institute: Students' finale concert 7:30 to 9:30 p.m. Aug. 5 at Pearl City Cultural Center auditorium. Free. Call the Hawaii Youth Symphony Association at 941-9706.
"Hawaii from the Heart": Program of Hawaiian culture and music and dance with the Brothers Cazimero, 5 p.m. Sundays, Wednesdays, Thursdays and Fridays, Bishop Museum. Concert begins 7 p.m. General admission $47.50 for tour, picnic-style supper and concert, $32.50 tour and concert only; kama'aina, $37.50 and $22.50. Reserve at 847-MELE (847-6353).