The Old Hall Manuscript - Folios 38v & 39r, dated to 1415
The manuscript contains 148 compositions and is the most important source of information on late medieval English Music.
Composers with works in the Old Hall Manuscript include Leonel Power, Pycard, William Typp, Thomas Byttering, Oliver, Chirbury, Excetre, John Cooke, Roy Henry (probably King Henry V, but possibly King Henry IV), Queldryk, John Tyes, Aleyn, Fonteyns, Gervays, Lambe, Nicholas Sturgeon, Thomas Damett
Origin; England, Add MS 57950, Images from the British Library manuscript website
Medieval music, in