Various continental composers wrote in a similar vein, but all called their work canons. The most prolific was Michael Haydn, whose work remained unpublished until very recently. He encouraged his neighbours in Salzburg, the Mozarts, to sing and write canons, and several by Wolfgang are extant, including two MS originals in BL.
Other European composers created music in a similar manner, but all called their compositions canons. The most prolific was Michael Haydn, whose work was not published until recently. He encouraged his neighbors in Salzburg, the Mozarts, to sing and compose canons, and several by Wolfgang are preserved, including two original manuscripts in BL.