Quartet for Clarinet and String Trio by Krzysztof Penderecki. Schott, 1993, SS, (includes parts and score). Krzysztof Penderecki (1933-2020) was a Polish conductor and composer. This piece calls for both B-flat and A clarinets. In four movements: I. Notturno (Adagio), II. Scherzo (Vivacissimo), III Serenade (Temp di Valse), and IV. Abschied (Larghetto). Advanced college level with a duration of about 20 minutes. (C1727)