their completely infectious pop songs, their "whoo," you know, their everything. ♪ woo >> it was just impossible not to fall in love with them. >> as soon as they started playing on the "ed sullivan show," we all knew, they're playing live, because that doesn't sound like the record. [ cheers and applause ] ♪ >> the idea of driving, swinging r&b mixed with imaginative wordplay and lyrics and harmonies and the perfect three-minute record, they defined it. ♪ woo, when i saw her standing there ♪ >> the beatles took this dream of what america represented, the freedom that was in american music, and they brought it back to us with an excitement and a ferocity that we didn't have, and with longer hair. ♪ ♪ and the way she looked was way beyond compare ♪ >> 73 million people watched that night.