1150-1550 Common Era: is difficult. JohnB, the book by Greenberg has the LAST third and later of the interval.
Some excellent material in Catalan, Spanish by Jordi Saval and Hesperion XX.
A comparison of Carl Orff's Carmina Burana with some other attempts at this medieval text might present some interesting ideas.

John Wilbye, "The first set of English Madrigals, was pub. im 1598 but would have some earlier material: Wilbye Madrigals should be useful.

Also see R. Bell, ed., "Ancient Poems, Ballads and Songs of England: Ancient Poems Ballads

"A Handful of Pleasant Delights" by Clement Robinson and others (1584) has material from the last part of your interval. Delights