I thought you might also be interested in the original vocal version, Stainer & Bell have reprinted the 35 pieces attributed to Henry Roi from their v18 Musica Britanica, see the following link - http://www.stainer.co.uk/henry.html
See antiquarian or library sources for this other anthology where it is found - Noah Greenburg, Anthology of English Medieval and Renaissance Vocal Music -- Dana Emery To get on or off this list see list information at http://www.cs.dartmouth.edu/~wbc/lute-admin/index.html
