." >> ♪ inna gadda da vida honey don't you know i'm loving you ♪ >> ♪ you you are all i want to knowa soundtrack like no other. jenny: so many different kinds of music, and so many great artists. >> ♪ american woman stay away from me american woman mama, let me be ♪ >> ♪ if i sprang a leak she mends me ♪ knowonly you know and i all the love wwe got to show ♪ tommy: so much of the music empowered us and made us feel we needed to make a difference. >> ♪ because there's something in the air ♪ >> ♪ what the world needs now is love, sweet love it's the only thing that there's just too little of ♪ tommy: it was a time of expanded consciousness and spiritual awakening. jenny: the music had a message. tommy: and the singers and songwriters who created it were the messengers. >> ♪ and it is all over now, baby blue ♪ >> ♪ anybody here see my old friend john? can you tell me where he's gone? ♪ announcer: the woodstock era was a time when the music was important. it felt like it was really your own, written for you and about you. now that music and all of the memories come alive again. and you'r