serenade for strings in c major, op. 48 Serenade for Strings in C major, op.48 Serenade for strings in C major op.48 Serenade for strings in C major, Op. 48 Serenade for strings in E major, op.22 Serenade for Strings in E major, op.22 Serenade for strings in E minor, op.20 Serenade for Strings in E minor, op.20 Serenade for strings in C major Serenade for Strings in E minor,Op.20