As the Quad City Symphony Orchestra reaches its halfway point in the ensemble's 2022-23 Masterworks season, the accent will be on strings in the December 3 and 4 performances of Ode to Guitar at Davenport's Adler Theatre, the repertoire boasting, among additional offerings, a beautiful Mozart piece, an exciting Michael Abels co-commission, and a special guitar solo by visiting guest artist Mak Grgić.