The Harmoniemesse in B-flat major by Joseph Haydn, Hob. XXII:14, Novello 6, was written in 1802. It was Haydn's last major work. It is because of the prominence of the winds in this mass and "the German terminology for a kind of wind ensemble, Harmonie," that this mass setting is called "Harmoniemesse" or "Wind Band Mass". Besides flute, 2 oboes, 2 clarinets, 2 bassoons, 2 horns in B-flat, 2 trumpets in B-flat, the mass also calls for choir, timpani, strings, and organ, the latter supplying figured bass for most of the duration.