B-Flat Clarinet Solo - Level 4 - Digital Download SKU: A0.1275111 Composed by Wolfgang Amadeus Mozart. Arranged by B. C. Dockery. Chamber,Children,Classical. Individual part. 1 pages. Ben Dockery #867109. Published by Ben Dockery (A0.1275111). From Mozart's Eine Kleine Nachtmusik (A Little Night Music) K. 525, this is the popular first theme from the first movement arranged for solo B-flat clarinet. Great for lessons, recitals, and performances of all kinds. Advanced intermediate level.