We fly by Night

Full title: We Fly by Night, or Long Stories. A Musical Entertainment in Two Acts by George Colman (1762-1836), with music by Michael Kelly. First Performed at the Theatre-Royal, Covent-Garden on January 28, 1806, and published by T. Woodfall. Also Published by D. Longworth, at the Dramatic Repository, Shakspeare-Gallery, New York in 1815.

The Amazon website[1] also has a copy which suggests that the play was originally performed as written by "Arthur Griffinhoof" (the pseudonym of George Colman the Younger], with songs and music composed and selected by Kelly.

In one of the mentioned as "other author": Picard, L-B. (1769-1828).

Performance history in South Africa

20 September 1826: Performed in Cape Town by the Garrison Amateur Company) in The Cape Town Theatre, with A Cure for the Heartache (Morton). A quite comprehensive review of the production appeared in the The Commercial Advertiser on 26 September 1826 (though, interestingly, the names of performers are not mentioned, only the roles.)