Ascription in title page only. Jacobus Vaet a Flemish composer active in chapels of Chalres V and Archduke Maximilian of Austrio during 1550’s and 1560’s. Total of three chansons ascribed to him in Waelrant, Neuber, and Phalèse imprints of 1550’s and 1560’s. Milton Steinhardt, “Vaet, Jacobus,” New Grove 2,, XXVI, 196-97.