Lbl Add MS 14970 is part of a collection of manuscripts in the hand of Edward Williams, better known as Iolo Morganwg. They present a compilation of medieval Welsh poetry, prose and music, copied by Williams from various early sources. Add MS 14970 contains an incomplete copy of intabulated harp music very similar to the contents of the ap Huw manuscript, headed "Old Music from the book of Rhys Jones the bard." This paper examines the content of the manuscript from the basics, working upwards from the method of notation to analysis of the music.
Rhan o gasgliad o lawysgrifau yn llaw Edward Williams, a adnabyddir orau fel Iolo Morganwg, yw Lbl Add MS 14970. Cyflwynant gasgliad o farddoniaeth, rhyddiaith a cherddoriaeth ganoloesol Gymraeg, a gopïwyd gan Williams o sawl ffynhonnell gynnar. Cynhwysa Add MS 14970 gopi anghyflawn o gerddoriaeth telyn heb ei thaflennu sy'n debyg iawn i gynnwys llawysgrif ap Huw, â'r penawd "Hen gerddoriaeth o lyfr Rhys Jones y bardd." Astudia'r papur hwn gynnwys y llawysgrif o'r pethau elfennol, gan weithio o ddull nodi hyd at ddadansoddiad o'r gerddoriaeth.