Public Domain audio:
https://librivox.org/caedmons-hymn/
The text is read in the Early West Saxon dialect. Same version found here (incl. OGG Vorbis format):
https://gutenberg.org/ebooks/19677
Nu scilun herga hefenricæs uard
metudæs mehti and his modgithanc
uerc uuldurfadur sue he uundra gihuæs
eci dryctin or astelidæ.
he ærist scop ældu barnum
hefen to hrofæ halig sceppend
tha middingard moncynnæs uard
eci dryctin æfter tiadæ
firum foldu frea allmehtig