The dilemma posed by Barber’s Pas de deux
A great many works of music exist in multiple versions, for orchestra and for piano (or two pianos)—in fact, one can think of such works as quite an extensive sub-genre. Liszt’s many symphonic poems, the Rite of Spring, and Ravel’s La valse (which has versions for both one and two pianos) are just a few examples of “hybrid” […]