Original tekst: Piano Concerto No. 1, Op. 15. The gestation period of Brahms' first concerto for piano lasted for over seventeen years. 1833-1897.
Oversættelse: Piano Concerto No 1, Op 15. Johannes Brahms. Klaver Noder. Piano Concerto No. 1, Op. 15 komponeret af Johannes Brahms. For 2 Pianos.