WILL-FM (90.9) will present a free classical music concert at 3 p.m. July 15 in the Sunken Garden at Robert Allerton Park near Monticello, featuring the UI Summer Festival Orchestra with Ian Hobson, music director. The orchestra will perform Paul Hindemith's "Symphonic Metamorphoses on Themes by Carl Maria von Weber" and Beethoven's Symphony No. 7 in A major, Op. 92. WILL-FM announcer Roger Cooper will host the concert. The rain date for the concert is 3 p.m. July 16. On the afternoon of the concert, tune to AM 580 or FM 90.9 for weather and concert announcements.