William Bay grew up in the music business and like his father, contributed to the field of music method publications. Mel Bay was a pioneer in guitar method books, which he designed for players of all levels. He formed the Mel Bay Music Publishing Company in 1947 outside of St. Louis, MO. William learned guitar at a young age and began creating his own methods of teaching guitar to others. Over the years, William took over as president of the company and has authored over 200 publications for the company.