. >> this is cameron crow's raw new portrait of david crosby. >> a friend of mine gave me a shot of heroin the poignant moments a visit to joni mitchell's home where they made music for the first time. ♪ our house >> and graham nash moved in and wrote this song. >> i have to say it breaks my heart that you don't talk to graham nash. >> probably breaks mine a little, too. ♪ teach your children well >> so do we teach our children that the same things that broke up this band killed the spirit of woodstock? ego and money, competition and addiction? is there no fixing human nature? >> the worst thing they did to all of them and none of them are talking about it is me turning into a junkie right in front of him. >> while all of his peers died too young. >> nearly a year ago he walked away from a drug rehabilitation center. >> he survived heroin and a texas prison. >> i get up every day. it is nice. >> and this is where he is most content at home with his wife jan. >> it is the family. >> but unable to find peace, love and music with stills, nash and young even though the four of them have sold 5