Dctet for strings in E flat major, op.20 Octet for String in E flat major, op.20 Octet for strings in E flat majou op. 20 Octet in E flat major, op.20 Serenade for strings in E major, op.22 Quartet for Saxophones in B flat major,op.109 Serenade for Strings in E major, op.22 Octet in E flat major, Op.20 Serenade for strings in E minor, op.20 Serenade for Strings in C major, op.48