Conversation so far:
Is the section title, 2009–present: 'Slash featuring Myles Kennedy and The Conspirators' about a group or an album of that name?
Slash collaborated on his second solo album with his touring bandmates Myles Kennedy, Todd Kerns, and Brent Fitz, the resulting album billing to Slash featuring Myles Kennedy and The Conspirators“.
When was Slash's second solo album, Apocalyptic Love featuring Myles Kennedy and The Conspirators, released?
The album, titled Apocalyptic Love, was released on May 22, 2012, debuting at #2 on the Canadian Albums Chart.
How did Miles Kennedy become involved with Slash?
To promote the album, 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 who sang the vocals of Slash featuring Myles Kennedy and the Conspirators?