Who released more solo efforts, Justin Timberlake or Dave Meniketti? 
Dave Meniketti: Dave Meniketti (born December 12, 1953) is the singer, songwriter and lead guitarist for Hard rock/heavy metal band Y&T. Dave Meniketti:  He has also released three solo efforts (including "Live in Japan"), one of which is more blues-oriented. Justin Timberlake:  Timberlake began to adopt a more mature image as an artist with the release of his debut solo album, the R&B-focused "Justified" (2002), which yielded the successful singles "Cry Me a River" and "Rock Your Body", and earned his first two Grammy Awards.
Dave Meniketti