In this piece's first movement, the first horn plays two solos marked "marcato ma dolce" that bounce between concert Cs, Fs, and Gs.
In this piece's first movement, the first horn plays two solos marked "marcato ma dolce" that bounce between concert Cs, Fs, and Gs. In a review of a performance of this piece addressed to "Ossip," Harold Schonberg called that performance's conductor "The Peter Pan of music." The start of the recapitulation of this piece's 6/4 Maestoso first movement has a timpani roll on Dthat recalls the opening D minor pedal; however, that timpani roll is interrupted by the soloist playing in E major. Bassoons playing in thirds introduce the melody of this piece's second movement Adagio, which may have been a musical portrait of Clara Schumann. A 1962 New York Philharmonic performance of this piece garnered controversy for Leonard Bernstein's prefatory remarks distancing himself from Glenn Gould's slow tempi. For 10 points, name this first keyboard concertante work by the composer of the Academic Festival Overture. 
In this piece's first movement, the first horn plays two solos marked "marcato ma dolce" that bounce between concert Cs, Fs, and Gs.
Piano Concerto No. 1 by Johannes  Brahms [prompt on partial answer; accept Johannes Brahms's Opus  15]