. "String quartet No. 23 in F minor, Op. 20, No. 5" . . . "String quartet No. 23 in F minor, Op. 20, No. 5. Adagio" . . "String quartet No. 23 in F minor, Op. 20, No. 5" . "String quartet No. 23 in F minor, Op. 20, No. 5. Adagio" . . . .