The Kontra Quartet Holmboe, Vagn - String Quartet No. 1 (1949), op. 46 Holmboe, Vagn - String Quartet No. 2 (1949), op. 47 Holmboe, Vagn - String Quartet No. 3 (1949), op. 48 Holmboe, Vagn - String Quartet No. 4 (1954), op. 63 Holmboe, Vagn - String Quartet No. 5 (1955), op. 66 Holmboe, Vagn - String Quartet No. 6 (1961), op. 78 Holmboe, Vagn - String Quartet No.11 (1972), op.111 Holmboe, Vagn - String Quartet No.20 `Notturno` (1985), op.160 Holmboe, Vagn - String Quartet No.21 `Quartetto sereno`, op.197 Nielsen, Carl - String Quartet in Es-dur (1898), op. 14 Nielsen, Carl - String Quartet in F-dur (1906), op. 44 Nielsen, Carl - String Quartet in f-moll (1890), op. 5 Nielsen, Carl - String Quartet in g-moll (1888), op. 13 Nielsen, Carl - String Quintet in G-dur, CNW 59 Nielsen, Carl - `At the Bier of a Young Artist`, for a string orchestra (1910, for a string quartet; 1912, for a string orchestra), FS 58