Whose song is Concerto for Orchestra - I. (Introduzione). Andante non troppo?

Artist		Album
		Concerto for Orchestra and Music for Strings, Percussion, and Ce
		Bernstein Century: Bartok: Concerto for Orchestra / Music for St
Leonard Bernstein		Bernstein Century: Bartok: Concerto for Orchestra / Music for St
Los Angeles Philharmonic
New York Philharmonic		Bernstein Century: Bartok: Concerto for Orchestra / Music for St