The first step in interpreting the music found in the ap Huw manuscript is to understand exactly what the player is asked to do. The information found on page 35 is examined as a Rosetta Stone for recreating an authentic technique for performing the music, indicating specific fingerings and illustrating which strings must either be stopped or allowed to continue ringing.
Y cam cyntaf wrth ddehongli'r gerddoriaeth a geir yn llawysgrif ap Huw yw deall yn union yr hyn y gofynnir i'r chwaraewr ei wneud. Astudir y wybodaeth a geir ar dudalen 35 yn union fel Carreg Rosetta er mwyn ail-greu techneg dilys ar gyfer perfformio'r gerddoriaeth, gan ddynodi byseddu arbennig a darlunio pa dannau sydd eisiau eu rhwystro rhag canu neu eu gadael i ganu.