Marsden began writing most of their songs, including "I'm the One","It's Gonna Be All Right" and "Ferry Cross the Mersey", as well as their first and biggest US hit, "Don't Let the Sun Catch You Crying", which peaked at No.4.
Gerry Marsden begyndte selv at skrive de fleste af deres sange, blandt andet "It's All Right", "I'm the One" og "Ferry Cross the Mersey", samt deres første og største hit i USA, "Don't Let the Sun Catch You Crying".