Direct MP3 link With over 1.7 million YouTube subscribers and 217 million views, Joe Penna (a.k.a. Mystery Guitar Man) is the #7 most subscribed channel of all-time, the #1 channel in Brazil, and is a genuine YouTube success story. With a roster of clients that includes some of the biggest names in online video, Sarah Evershed is helping to forge new business models with her company, The Cloud Media. Join NM regulars Zadi Diaz and Chris McCaleb as we discuss authenticity, The DigiTour, heat stroke, and what it takes to be a YouTube sensation.