The Art of Loss featured the Megadeth guitar player who released how many solo albums?
The Art of Loss:  To replace Versailles in the recordings, the guitarist and DGM member Simone Mularoni and former Megadeth guitar players Chris Poland, Chris Broderick and Marty Friedman were invited. Marty Friedman:  He is also known for playing alongside Jason Becker in Cacophony until 1989, as well as his 12 solo albums and tours.
12