TL;DR: This beginner-friendly online guitar class taught by "Guitar Sage" Erich Andreas is on sale for a mere $9.99. Attention all aspiring guitar players: Many hours spent jamming to "Barracuda" on ...

Will Web connections and new apps really replace much of our human need for real-live teachers? If the free-for-all business of guitar lessons is any indication, the answer is yes, as Your Guitar Sage ...

Guitar teacher Erich Andreas works from a basement studio in Nashville, Tenn. His classroom, though, is the world itself. Across one hour, Mr. Andreas may be giving free video lessons to up to 1,500 ...

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