Science! and Charlie and The Foxtrots will perform at 8:30 p.m. Friday at the Center of Harmony, 253 Mercer St., Harmony. Science! is comprised of guitarist and vocalist Justin Stang and multi-instrumentalist Jim Elenteny. Charlie and The Foxtrots is a six-piece band with members from all over the Southeast. Tickets are $10 in advance; children younger than 16 are admitted free. Visit thecenterofharmony.com.

Harmony Parks Board hosts The Allegheny Drifters at 7:30 p.m. today in front of the Harmony Inn at 230 Mercer St., which will be closed to traffic. Take chairs. The Bluegrass and Beyond Music Festival will be held Sept. 6 and 7 featuring The Billy Price Band, and Danny Kalb, known for his lead guitar and vocal work with The Blues Project.

Hartwood Acres Amphitheater in Allison Park, Allegheny County, hosts the Allegheny County Music Festival featuring Rusted Root at 5 p.m. Sunday. Call 412-767-9200.