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Watch the 1 5 1 Structures online guitar lesson by Brad Carlton from Guitar Lab: Open String Universe

This chord is A root 5th root structure rooted off the 8th fret of the 5th string. The 2nd string open is a B which is the #4(#11) in the key of F. The 1st string open is an E which is the 7 in the key of F. The total formula of this voicing is 1 #4 5 7 therefore it is an FMaj7#11(no 3). The formula 1 #4 5 7 is a subset of the following scale: lydian. The included chart shows this chord/scale relationship for the Maj7#11 harmony.