Notes on chord notation

For the chords on Songs in the Key of Osho, Sarlo uses this notation. An example is the song Falling Leaves.

Chord notation used is as explained below

Bracketed numbers refer to notes in the major scale, flatted or sharped as noted.

CHORD NOTATION

b  = flat                  |      m6 = (1-b3-5-6)
                           |
#  = sharp                 |      7  = (1-3-5-b7)
                           |
add = specified note extra |      m7 = (1-b3-5-b7)
                           |
(plain)= maj (1-3-5)       |      mj7= (1-3-5-7)
                           |
m  = min (1-b3-5)          |      74 = (1-4-5-b7)
                           |
2  = sus2 (1-2-5)          |      9  = (1-3-5-b7-9)
                           |
4  = sus4 (1-4-5)          |      mj9= (1-3-5-7-9)
                           |
+  = aug (1-3-#5)          |      m9 = min 9 (1-b3-5-b7-9)
                           |
–  = dim (1-b3-b5-6)       |      ( )= alternative chord
                           |
6  = (1-3-5-6)             |      /  = abnormal bass (specified)