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Catching Up II...

     The Pentatonic scales are made up of Five Tones - There happen to be some pleasant sounding chords that are semi-related to the pentatonic patterns. Let's analyze the pentatonic pattern as it is from the beginning tone, As usual we focus on the key of c because of its natural (not # not b) tones. The Key of C has three pentatonic scales in it (A D E) so starting with the naming note we come up with....

There is a fine line where chords turn into scales, the diagram below is currently showing the Key of C...

 Gb - Db - Ab - Eb - Bb - F - C - G - D - A - E - B
   

"Root 7th add 11"	"Key of C"	X add11
Tones Used:	Other Name	X   7 /11
C * E  F  G * B	C major add11	C major 7 + F
D * F  G   A * C	D Pentatonic	D minor 7 + G
E * G  A  B * D	E Pentatonic	E minor 7 + A
F * A  B  C * E	F major add11	F major 7 + B
G * B  C  D * F	G major add11	G major 7 + C
A * C  D  E * G	A Pentatonic	A minor 7 + D
B * D  E  F * A	B dim. add11	B dim. 7 + E

     The (*) indicates the tones that were taken away, You may also notice that the tones making up the 7th chord have been boldened. The chords shown here are commonly referred to as "add9" chords. These chords are "Extended 7th" chords meaning it is extended beyond the basic chord twice. The add9 lean more towards being chords yet the "add11" chords are leaning a bit towards being a scale...