An Altus partbook from a set of four volumes. Earliest layer (chansons) copied by one main scribe and one additional scribe; later additions by several other scribes, possibly including Franciscus de Rivulo (see below). Main layer arranged in four series, separated by sections of blank folios; first two series have 4-voice works, third series has 3-voice works, fourth series has 2-voice works. Some pieces have text incipits only. Main layer probably copied in Low Countries (Call); later additions copied in Gdansk, by or under direction of Franciscus de Rivulo, cantor at Church of St. Mary ca. 1560-6.
A sequence of nineteen chansons are copied from prints into TorunK 29-32 and GdanPAN 4003 in the same order, with text incipits only and mostly without composer attributions in both sets, suggesting connections between the two centres.