Complex sentence: The pinder was then invited to join the Merry Men which he pledged to do after the day of Michaelmas when the contract with his former employer ran out, as told in the ballad "The Jolly Pinder of Wakefield".
Split into simpler sentences: The pinder was then invited to join the Merry Men which he pledged to do after the day of Michaelmas when the contract with his former employer ran out. This story is told in the ballad "The Jolly Pinder of Wakefield".