In one of this composer's concertos, the soloist's lengthy cadenza leads directly into its final Allegro section in six-eight time, which opens with two A-trumpets introducing the main hunt-like theme. That concerto, played without any pauses, has its slow-movement-like Andante sostenuto section placed between the exposition and development of its Moderato first section. This composer wrote another of his Concertos at the insistence of Sigurd RaschÃ¨r. That work, one of 
In one of this composer's concertos, the soloist's lengthy cadenza leads directly into its final Allegro section in six-eight time, which opens with two A-trumpets introducing the main hunt-like theme. That concerto, played without any pauses, has its slow-movement-like Andante sostenuto section placed between the exposition and development of its Moderato first section. This composer wrote another of his Concertos at the insistence of Sigurd RaschÃ¨r. That work, one of this composer's final opus numbers, was his Concerto in E-flat Major for alto saxophone. This composer's A Major violin concerto was both dedicated to and premiered by (*) Leopold Auer. Among this composer's orchestrations is an arrangement of another composer's Waltz in C-sharp minor, which he added to his suite Chopiniana to form the music for Michel Fokine's ballet Les Sylphides. For 10 points, name this Russian composer who also wrote the ballets Raymonda and The Seasons.
In one of this composer's concertos, the soloist's lengthy cadenza leads directly into its final Allegro section in six-eight time, which opens with two A-trumpets introducing the main hunt-like theme.
Alexander Konstantinovich  Glazunov