Sounds of Summer Concert Series Horizon Tank Park July 18, 7 – 9 pm Horizon is an 8-piece band, originally formed in the mid 1970s while a few of the musicians attended the University of Illinois, Champaign. The lineup consists of drums, guitar, bass, keyboards, trombone, trumpet, sax, and one of the most engaging lead singers in Chicagoland. Horizon has opened for such high profile acts as