Symphony No. 66 (Haydn)

The Symphony No. 66 in B flat major (Hoboken I/66) is a symphony by Joseph Haydn. The time of composition is uncertain, with one speculation from around 1775–1776. The symphony is scored for two oboes, two bassoons, two horns and strings.
Movements.
L.P. Burstein has noted Haydn's use of the VII chord and the VII → V progression in the first movement. A.P. Brown has noted how Haydn reworked material from the symphony's first movement into other compositions, including an overture in D and two other symphonies.