sentences:  In addition to credits received in his own name, Nathan used the pseudonym Lois Mann for song publishing and copyrights in order to obtain a share of the songwriting royalties, a common practice among record company owners.Syd Nathan, Sydney Nathan, and Lois Mann are credited with writing 202 songs, including "Annie Had a Baby", "I'll Sail My Ship Alone", "Signed Sealed and Delivered", and "Train Kept A-Rollin'".Nathan had long-standing health issues, and heart problems began to emerge during his fifties.