Complex sentence: In 1973 Allan released his second solo album called, "Sequel", released by GRT Records of Canada, and in 1974 he was chosen to play the lead character in a musical adaptation called "Beowulf", which was released on album.
Split into simpler sentences: In 1973 Allan released his second solo album called, "Sequel", released by GRT Records of Canada. In 1974 he was chosen to play the lead character in a musical adaptation called "Beowulf", which was released on album.