louis-claude daquin (born in paris, 4 july 1694; died in paris, 15 june 1772) was a french composer. he was writing in the last part of the baroque period and the early part of the classical music period. he was a virtuoso organist and harpsichordist. he wrote a lot of excellent music for organ and for harpsichord. his most popular piece is called "le coucou" ("the cuckoo").