BATH — The Oratorio Chorale will perform in concert with the Orchid Ensemble in “Cold Fusion,” a mix of eastern and western music and instruments, on Saturday, April 28.

The performance will be at 7:30 p.m. at Montgomery Theater, Morse High School. It will be repeated at 3 p.m. Sunday, April 29, at Woodfords Congregational Church, 202 Woodford St., Portland.

Tickets are $20 in advance, $25 at the door, half-price for students, free for children under 12. Call 798-7985 or visit www.oratoriochorale.org.