ARTS AT ST. JOHN’S:

The second 2018 “ASO Chamber Series” concert, presented by the Allentown Symphony Association with Arts at St. John’s, features Jonathan Clark, Principal Horn, Allentown Symphony Orchestra; Michael Toth, Principal Pianist, Allentown Symphony Orchestra, and Ruotao Mao, violinist, 12:10 p.m. April 10, St. John’s Lutheran Evangelical Church, 37 S. Fifth St., Alentown.

The approximate 50-minute program is “Laudatio,” by Bernhard Krol (unaccompianied horn); “Horn Concert No. 2,” by Wolfgang Amadeus Mozart (violin, horn and piano), and “Brahms Trio,” by Johannes Brahms (violin, horn and piano).

The concert series is free and open to the public. A free-will donation is accepted.

Parking is available at the Community Deck, Sixth and Walnut streets, Allentown.