carol james show," is yours. >> ladies and gentlemen, for the first time on the air in the united states, here are the beatles singing "i want to hold your hand." ♪ oh, yeah, i'll tell you something ♪ ♪ i think you'll understand >> that song really started to take off. it was impossible to anticipate 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