Original: Concert Etude, Op. 49. Concert Etude, Op. 49 composed by Alexander Fiodorovich Goedicke. KN.13053. Tuba sheet music.
Traducere: Concert Etude, Op. 49 compus din Alexandru Fiodorovich Goedicke. Alexander Fiodorovich Goedicke. Partituri tubă. 1877-1957. Grad 6.