This is the first in a series of 16 free videos about learning electric slide guitar, by John Armstrong a professional guitar teacher.

You can check out the rest of the series at this link

This is a sample from a Jamguitar.com guitar lesson DVD. As far as I can make out he is playing in the key of G. The chord sequence for the verse goes: G, FsharpMinor, B7, Em, C, D7, G, D, Em, A7, C, G.

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