[1][2] He is widely known for his keyboards, producing, engineering, mixing and remixing, and digital audio skills with Mötley Crüe, Metallica, Fuel, Methods of Mayhem, BT, Monster Magnet, Tommy Lee, Day of Fire, Powerman 5000, The Cult, Andrew WK, Spineshank, *NSYNC and many more.

According to Digidesign’s chief software programmer Mark Jeffery, Humphrey conceptualized and motivated him to write Beat Detective, Batch Crossfades and Sound Replacer for the Pro Tools audio workstation platform.

[4] Featured artists include Alice Cooper, Boston, Foreigner, No Doubt, Nickelback, Sum 41, Godsmack and many more.

As of December 2011, Jammit was available for the iPad, iPhone, iPod touch using IOS 5.0[4] and lastly, the desktop version for Mac OS X (10.6.8 or higher) which beta tested in February and released in mid March.

Scott and Tommy listened to every submission, totaling over 10,000 from all over the world to select the most suitable contributions to be edited into the existing stems.