Concert Band - Level 2 - Digital Download SKU: A0.1303646 By Jim Nabors And Marilyn. By Joe Darion and Mitch Leigh. Arranged by Mark Armstrong. 20th Century,Broadway,Musical/Show. Score and Parts. 31 pages. Seolta Music Limited #893225. Published by Seolta Music Limited (A0.1303646). The Impossible Dream (The Quest) is the most popular song from the 1965 Broadway musical Man of La Mancha and is also featured in the 1972 film of the same name. It is arranged for solo voice and concert band (Key Bb).For all voice and band titles from Seolta Music please click here.