A bourrée anglaise concludes J. S. Bach’s solo partita for this instrument, for which his son C. P. E. Bach also wrote a solo sonata in A minor. In the Berlin Philharmonic, Emmanuel Pahud plays this instrument. Mozart wrote four quartets for this instrument accompanied by strings, and a concerto for this instrument and harp. Francis Poulenc’s (“fron-SEESE poo-LANK’s”) sonata for this instrument begins with it playing a descending E minor broken chord. Edgar Varèse wrote Density 21.5 for a player of this instrument. A solo for this instrument marked très modéré descends chromatically from C-sharp to G to open Debussy’s Prélude à l’apres-midi d’un faune. For 10 points, name this reedless woodwind instrument. ■END■ (10[6]0[1])