Orijinal: Concert Etude, Op. 49. Concert Etude, Op. 49 composed by Alexander Fiodorovich Goedicke. KN.13053. Tuba sheet music.
Tercüme: Konser Etüt, Op. 49. Konser Etüt, Op. 49 Alexander Fiodorovich Goedicke tarafından bestelenen. Alexander Fiodorovich Goedicke.