how much that momentum would continue. ♪ i want to hold your hand >> hi, everybody all over america. this is the wabc party go go, whoo! ♪ i want to hold your hand >> that song was absolutely contagious, and i think the teenager found a voice. ♪ i can't hide >> here's what's happening, baby. the beatles! ♪ yeah, you got that something >> there was a moment where you just heard, this is our music now. it was like hearing the future. ♪ i wanna hold your hand >> but i have to ask how you first found out about them. >> when i first heard about the beatles, it was at london airport, with an enormous crowd of kids gathered around. sylvia and i asked them what was going on, and they said the beatles were here. we didn't even know who the beatles were. we never heard of them. and that night, i booked ringo starr, paul mccartney, george harrison and john lennon for