https://www.youtube.com/watch?time_continue=43&v=llNuwhZWXKA

Above was the first video we found when querying this account's username into youtube: "learnguitar." Further analyzing the video, the dude promotes his 15 strumming lessons on his website. If you try to find the 15 video content, you must enter an email and then receive the videos. We will see if we might be able to identify the lessons in a playlist on youtube so as to bypass the deanonymization effort. Guitar Jamz most recent post was 10 hours ago. 
https://www.youtube.com/watch?v=s4mp_g_fDLM

Analyzing Guitar Jamz youtube playlists, there was no playlist with 15 videos. There was also no playlist that had strumming appear in the ctrl f used to search the page. Many of the playlists seem to be focused on niche things, either 1.easy beginner songs, 2.band related songs--probably to drive traffic, a.bob marley, b.metallica, c. Nirvana, d.Beatles, etc, seemed to be mostly older groups though there was one RHCP--red hot chili peppers presumably video. 
https://www.youtube.com/watch?v=0OQxw1Z6ek4
Guitar Jamz had two featured channels at time of inspection. guitarjamzdotcom with 403,927 subscribers and youcanlearnguitar with 264, 492 subscribers. Inspecting the channel's info it joined Dec 16, 2009, and at time of reporting had 567,548,103 views. Additionally the website, facebook and a link for free mobile guitar apps was listed-- the apps included metronomes, tuners, an lessons and jam tracks. 
https://www.youtube.com/watch?v=e3edJ3z2jxc
Youcanlearnguitar joined May 12, 2009 and had 59,516,292 views at time of inspection. The channel had no playlists at time of reporting. The channel had not posted a new video for 2 years, which had 19k views. Early on the channel seemed to have much more of Guitar Jamz Marty Schwartz, but then more people seemed to give lessons before it quit publishing. 

GuitarJamzdotcom seemed to have 4 playlists, non begginner lessons, beginner, quick links and liked videos. The account joined Nov 19, 2008, and had 76,629,889 views. The info promoted 4 all start teachers including Marty. It had all the same links at the bottom of the about as guitar jamz. No new videos had been posted in a year, the last video getting 7.5k views. 
https://www.youtube.com/watch?v=ig8Eqxcvok4



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