The Pennsylvania Sinfonia Orchestra, with Paul Chou, Music Director, presents its annual “Winter Vivaldi” concert, 3 p.m. Feb. 5, Wesley Church, 2540 Center St., Bethlehem.

Performing is the Sinfonia chamber ensemble and guest soloists Father Seán Duggan, piano; and Roger Isaacs, countertenor, and its own featured soloists Simon Maurer, violin; Paul Chou, violin, and Rainer Beckmann, recorder.

The program is :

Francesco Geminiani, “Concerto Grosso ‘La Follia’ for two violins and strings: Paul Chou, violin; Simon Maurer, violin;

Carl Heinrich Graun, “Concerto in C for recorder, violin and strings: Rainer Beckmann, recorder; Simon Maurer, violin;

J.S. Bach, “Agnus Dei, :Mass in B Minor”; J.S. Bach, “Erbarme dich, mein Gott, “St. Matthew Passion”; J.C. Bach, “Ach, dass ich Wassers gnug hatte”; George Frideric Handel, “Ombra mai fu”: Roger Isaacs, countertenor, and

J.S. Bach, “Piano Concerto in G minor, BWV 1058”: Father Seán Duggan, piano.

The chamber ensemble is: Simon Maurer, violin, viola; Paul Chou, violin, viola; Inna Eyzerovich, violin; Stephani Bell, violin; Agnès Maurer, viola; Elizabeth Mendoza, cello; Ian Vos, bass; Rainer Beckmann, recorder, and Allan Birney, harpsichord.

Tickets: at door; 610-434-7811; www.etix.com

Concert schedule: www.PASinfonia.org