not doubting there talent and the works they produced some great tunes but the thread i responded to mentioned changing the world .The Beatles were a product of the previous generation and if you look at there influences the likes of cliff richard , buddy holly , elvis , bob dylan , chuck berry , beach boys , everly brothers to name a few were the real game changers in music . All forms of popular music came from gospel , blues , jazz and country music in the 1950's