I'm glad this exists for the next generation of rockers. Back in the day, I had no such courses or even instruction books on how to play rock guitar. I had to listen to records for hours on end to try to figure out what he great guitarists of the day--Jimmy Page, Jimi Hendrix, Eric Clapton--were doing. Copying their solos was like deciphering some secret exotic code. The process was often frustrating and time-consuming (but ultimately rewarding) as I compared notes with fellow neophyte rock guitarists in my town.