Alia phanthasia primi toni from the Gdansk Tablature.
The Gdansk Tablature (Danziger Tabulatur) is a collection of 40 music pieces dated 1591, although the date more likely refers to the year in which the collection was bound and the musical pieces were probably composed over several preceding and succeeding years.
The collection consist of 17 fantasias followed by 23 intabulations of various songs and other music for organ or other solo keyboard instrument.