DMC discusses depression and suicide attempts in autobiography
Smith - who has died age 63 - produced some of the group's biggest hits
Rapper DMC says the genre has become "disrespectful" and "immature"
Members of Wu-Tang Clan will replace hip-hop legends at festival
Questlove drops hints that the rap legends will appear at the June festival
All the best Tweets from your favourite musicians
Rev Run and DMC set for talks with producers this week
Darryl McDaniels suffers blood clot
Run DMC will host benefit show in New York next month
He may offer key to rapper's murder