being held. They asked her in what key she would like to sing "How Red the Rose, How Blue the Sky". Having absolutely no idea what her key was, she sang regardless and got the job. Returning to California, Martin was hired to sing "How Red the Rose" at the Fox Theater in San Francisco followed by a gig at the Paramount Theater in Los Angeles. There was one catch: she had to sing in the wings. She scored her first professional gig unaware that she would soon be center stage. Soon after, Martin learned that her studio in Texas had been burned down by a man who thought dancing was a sin. She began to express her unhappiness. Her father gave her advice, saying she was too young to be married. Martin left everything behind including her young son, Larry, and stayed in Los Angeles while her father handled her divorce from Benjamin Hagman for her. In Los Angeles, Martin plunged herself into auditions—so many that she became known as "Audition Mary". Her first professional audition and job was on a national radio network. Among Martin's first auditions, she sang "Indian Love Call". After she finished the song, "a tall, craggly man who looked like a mountain" told Martin that he thought she had something special. It was Oscar Hammerstein II This marked the start of her career. Radio Martin began her radio career in 1939 as the vocalist on a short-lived revival of The Tuesday Night Party on CBS. In 1940, she was a singer on NBC's Good News of 1940, which was renamed Maxwell House Coffee Time during that year. In 1942, she joined the cast of Kraft Music Hall on NBC, replacing Connie Boswell. She was also one of the stars of Stage Door Canteen on CBS, 1942–1945. Broadway Martin was cast in Cole Porter's Leave It to Me!, making her Broadway debut in November 1938 in that production. She became popular on Broadway and received attention in the national media singing "My Heart Belongs to Daddy". With that one song in the second act, she became a star 'overnight'. Martin reprised the song in Night and Day, a Hollywood film about Cole Porter, in which she played herself auditioning for Porter (Cary Grant). "My Heart Belongs to Daddy" catapulted her career and became very special to Martin—she even sang it to her ailing father in