John Mayer is an American singer-songwriter and guitarist notable for his blend of pop, rock, and blues genres. Known for his smooth vocals and intricate guitar work, Mayer's style has evolved over time, incorporating elements of folk, country, and R&B. His breakthrough album, "Room for Squares" (2001), and the Grammy-winning "Continuum" (2006) significantly contributed to his reputation as a successful and influential artist in the music industry. Despite being primarily a solo artist, Mayer has also gained recognition as a member of the John Mayer Trio and Dead & Company.