Conversation so far:
Is the section title about a group or an album of that name?
with the resulting album billed to "Slash featuring Myles Kennedy and The Conspirators".
When was that album released?
Slash began working on his second solo album in June 2011.
How did Miles Kennedy become involved with Slash?
Slash embarked on his first solo world tour with Myles Kennedy of Alter Bridge--who also appeared on the album--on vocals.

Question: What about the vocals?
Self-contained rewrite: What about the vocals on the album?