Amazon.com description: Product Description: Alfred Music Publishing is the worlds largest educational music publisher. Alfred produces educational#44; reference#44; pop#44; and performance materials for teachers#44; students#44; professionals#44; and hobbyists spanning every musical instrument#44; style#44; and difficulty level. Keith Wyatt#44; one of the countryapos;s foremost blues and rock educators#44; takes you through all aspects of acoustic slide playing including choosing the right slide#44; open tunings#44; use of a capo#44; fingerboard patterns#44; vibrato#44; special intonations#44; and muting techniques. Keith also shows you how to mix slide with standard guitar technique for fills and self accompaniment.