Johnny Mercer collaborated with some of the best and brightest composers during his career. His collaborations were impressive not only because of their diverse nature, but also because of the sheer number of them. From Hoagy Carmichael and Richard Whiting to Les Baxter and Fred Astaire, there were over 200 men and women that worked with Johnny Mercer throughout his career. Whether they worked together for years or just on a single song, the legacy of Johnny Mercer and his writing and composition partners surpasses any other songwriter from this period.