http://www.guitarandmusicinstitute.com/playing-barre-chords/ Lesson four of this five lesson series covers understanding and playing barre chords in any key with barre chords.
Course tutor Gary Clinton helps you understand how you can play in any key with some great advice and tips on barre chord playing. Gary also covers playing root - fifth basslines whilst playing barre chords.
For the accompanying pdf, simply click on the link above and sign up for free at the GMI website.
