Composer, clarinetist and faculty member Paul Martin Zonn leads an ensemble performing his own music during WILL-FM's Second Sunday concert Feb. 12 at the Krannert Art Museum. The program Zonn has titled "Zonn Song" will include his compositions "In the Midst," for bass clarinet and vibraphone; "Nimbus III," for oboe, saxophone and clarinet; and "The Cloning of Myself," for clarinets and tape recorders. Zonn also will play Johannes Brahms' Clarinet Sonata in F minor, Op. 20, No. 2. Performing with Zonn at the free 2 p.m. concert will be David Billman, percussion; Debra Richtmeyer, saxophone; Mark Zanter, guitar; and Wilma Zonn, oboe. Zonn, who has been on the UI music faculty since 1970, performs with and conducts the UI Contemporary Chamber Players and New Music Ensemble. He has performed as a clarinet soloist at Carnegie Hall, Tanglewood and Ravinia, as well as with prominent country-western and jazz artists. As a mandolinist, he led his band to the 1983 Indiana Bluegrass Band Championship. The Second Sunday concert will be broadcast live on WILL-FM (90.9), with hosts John Frayne and Vic Di Geronimo.