The "Musical Offerings" concert series at First and Calvary Presbyterian Church, 820 E. Cherry at Hammons Parkway, presents flutist Jill Heyboer, harpist Jeremy Chesman and members of Credo Dance Academy on Sunday Feb.20th at 2:30pm in the church atrium. The program includes duets for flute and harp by C.P.E. Bach and Vincent Persichetti, and both classical and liturgical dance works. It's free and open to the public. For more information call the church at 862-5068.