To raise awareness of the upcoming Geneva Film Festival (scheduled for next April), “Airplay,” a documentary on rock radio of the 1950s and ’60s, will be shown at dusk in a Ravinia-style setting on the bank of the Fox River. The screening is slated for 7:30 p.m. Thursday, July 23, at River Park, 75 N. River Ln., Geneva. Rated PG-13. 110 minutes. For more information see genevafilmfestival.org.