Edition: Martin Just, ed., Der Kodex Berlin 40021 : Staatsbibliothek Preussischer Kulturbesitz Berlin, Mus. ms. 40021, Das Erbe deutscher Musik, 76-78 (Kassel and New York: Bärenreiter, 1990- ), 2: 86-101. The title of the Mass is a variant of a Latin tongue-twister, filia sub tilia nebat [or: nectit] subtilia fila (“beneath the lime tree, the daughter spun [or: binds] the fine threads”). The cantus firmus is subjected to mensural transformation, in the manner made famous by Domarto in Missa Spiritus almus.