String Quartet Cello,String Quartet,Viola,Violin,Voice - Digital Download SKU: A0.917368 Composed by Richard Strauss. Arranged by Bart Dunn. Contemporary. Score and parts. 10 pages. BDunnMusic #4730949. Published by BDunnMusic (A0.917368). Morgen! (Tomorrow!) is the last in a set of four songs composed in 1894 by the German composer Richard Strauss. It is designated Opus 27, No.4. The highly romantic text was written by John Henry Mackay. This version is for string quartet and voice, transposed to the key of E Major.