The Beach Boys are an iconic American rock band, frequently cited as one of the most influential and commercially successful groups in the history of popular music due to their intricate vocal harmonies, studio experiments, and novel approaches to pop songwriting. Rooted in doo-wop and rock and roll, their early string of vocal surf hits defined the '60s California Sound. For a period afterward, they notably delved into progressive pop styles. often combining elements from classical and jazz in innovative ways.