Instrumental Duet Clarinet,Guitar,Instrumental Duet - Level 4 - Digital Download SKU: A0.531634 Composed by Antonin Dvorak. Arranged by Klas Krantz. Classical,Romantic Period. Score and parts. 6 pages. Amadeus Music #4489. Published by Amadeus Music (A0.531634). Anton Dvorak (1841 - 1904) was a Czech composer of romantic music, who employed the idioms and melodies of the folk music of his native Bohemia and Moravia in symphonic, oratorial, chamber and operatic works. The ever popular and celebrated Humoresque Op. 101, No. 7 in G flat major was composed 1894.