[a] The first entry, dated 17 June 1541, is about his obtaining permission to teach music ("tenyr eschole de musique"),[1] in the same year that the Council decided to promote congregational singing in worship.
On 2 May 1542, Franc was commissioned by the Council to teach children to sing the Psalmen Davids, with an [annual] salary of 24 florins.
He published La Forme des prières et chantz ecclesiastiques the same year,[3] the first Reformed hymnal containing psalms with melodies.
He is also deputy 'maystre des escoles pour apprendre la note', which suggests a supervisory role over the small schools of Geneva.
[6] Although there is no formal proof, it is generally accepted that Franc was responsible for the first melodies adapted to the psalms of the Church of Geneva.