_:|__F__|__Gb_|_____|_____|_____|__Bb_|_____|_____|__Db_|_____|_____|_____| _:|_____|__Db_|_____|_____|_____|__F__|__Gb_|_____|_____|_____|__Bb_|_____| _:|_____|_____|__Bb_|_____|_____|__Db_|_____|_____|_____|__F__|__Gb_|_____| _:|_____|_____|__F__|__Gb_|_____|_____|_____|__Bb_|_____|_____|__Db_|_____| _:|__Bb_|_____|_____|__Db_|_____|_____|_____|__F__|__Gb_|_____|_____|_____| _:|__F__|__Gb_|_____|_____|_____|__Bb_|_____|_____|__Db_|_____|_____|_____| 0 1 2 3 4 5 6 7 8 9 10 11 12
See all notes of the G flat major7 chord ( Gb Bb Db F ) on the fretboard.
Figure out your favourite way to play the Gb major7 by toggling the notes on the fretboard.
The Gb is a flat note. flat notes lie in between the whole notes.