Adagio from Piano Concerto No. 23, K. 488 by Wolfgang Amadeus Mozart, arranged for flute orchestra by Shaul Ben-Meir, dedicated to Darlene Dugan and the West Michigan Flute Orchestra.
Difficulty guide: 7-8
Difficulty level, roughly compared to ABRSM exam grades. 0 is total beginner, 9 is advanced (beyond grade 8).