What is the songwriter of Concerto for Two Violins? They have major works such as Mein Herze schwimmt im Blut and BMW 199.
SELECT ?answer WHERE { wd:Q1094801 wdt:P86 ?answer . ?answer wdt:P800 wd:Q124835}
concerto for two violins: Q1094801 mein herze schwimmt im blut, bwv 199: Q124835