Original sentence: However, when Sheridan's right-hand man, Ewart Abner, moved over to Vee-Jay, and in June 1954, Al Smith and his corps of studio musicians did likewise,  Sheridan wound Chance Records down in October 1954, becoming a behind-the-scenes investor in the newer company
Edited sentence: Ewart Abner, who had been Sheridan's right-hand man at Chance, went to work for Vee-Jay in early 1955.However, in June 1954, Al Smith and his corps of studio musicians moved to Vee-Jay.Sheridan wound Chance Records down in December 1954, becoming a behind-the-scenes investor in the newer company