<prompt> Hlanganisa amaqiniso bese uphendula lokhu: Kwakungubani igama lomculi waseDenmark owafa ngo-1931 futhi owabhala i-String Quartet No. 4 kuF major noma i-Quartet for Two Violins, Viola and Cello kuF major, Opus 44?  <response>: UCarl August Nielsen 