Aerosmith frontman speaks out about his decision
The rocker was thought to be clean for 20 years
Stephen Tyler and co immortalised in Guitar Hero special edition
Steven Tyler will appear on US television this weekend
Boston's finest joined by special guest at London Calling
Hyde Park Calling line-up grows
A host of acts join Peter Gabriel and Aerosmith
New acts confirmed to join Aerosmith at London gig
The rock legends roll out the hits