Serenade for strings in E,Op.22 Serenade for strings in C,Op.48 Serenade for strings in E major, op.22 Serenade for strings in C major 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,Op.20 Serenade for strings op. 48 Serenade for strings. OP.20