Watch the Playing on the A String online guitar lesson by David Hamburger from Blues Guitar For Beginners
An eight-bar blues is a song whose whole form, or structure, is just an eight-bar sequence of chords that repeats over and over to create the entire song. There have been countless eight-bar blues tunes written, many in the 1920s and 1930s. Some of the most popular examples of the form include "Trouble in Mind," pianist Leroy Carr's "How Long Blues," and "Key to the Highway," which Eric Clapton recorded on Layla along with Duane Allman.
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