Summer music events, hosted by he Harmony Business Association, will feature free concerts by The Right Rhythm Band at 7:30 p.m. Sept. 3. Those attending are to take lawn chairs; refreshments will be available. Call 724-452-7341.region

Hartwood Amphitheater on Middle Road in Hampton Township will be the site of the 10th Annual Allegheny County Musical Festival, featuring Rusted Root, beginning at 7 p.m. Sept. 6. A $20 per car donation will benefit the Department of Human Services. Call 412-767-9200 or 412-350-2478.

<B>JazzLive</B> from 5 to 7 p.m. Tuesday in Agnes R. Katz Plaza, diagonal from the Benedum Center, 719 Liberty Ave., will feature Gerald Haymon this coming Tuesday. In case of inclement weather, JazzLive will move indoors to the Cabaret at Theater Square, 655 Penn Ave. Call 412-456-6666 or visit the Web site, www.pgharts.org.