Ab is a major, spelled Ab, C and Eb. In Ukulele (low G) tuning (G3 C4 E4 A4) the easiest shape is 1343, which sits at fret 1 and spans 3 frets. 12 positions for it are shown below, from the nut up to fret 11.
Notes and intervals
Note
Ab
C
Eb
Interval
1P
3M
5P
12 ways to play it
Ordered by how hard they are to fret, easiest first, one per position on the neck. Fret numbers are relative to the position marked beside each grid.
1343sits at fret 1 and spans 3 fretsx886sits at fret 6, spans 2 frets and mutes 1 stringx343sits at fret 3, needs a barre across 3 strings at fret 3 and mutes 1 string5046sits at fret 4, spans 2 frets and lets 1 string ring open888xsits at fret 8, needs a barre across 3 strings at fret 8 and mutes 1 string1301111sits at fret 11, needs a barre across 2 strings at fret 11 and lets 1 string ring open5886sits at fret 5 and spans 3 frets1043sits at fret 1, spans 3 frets and lets 1 string ring open104xsits at fret 1, spans 3 frets, lets 1 string ring open and mutes 1 stringx043sits at fret 3, spans 1 fret, lets 1 string ring open and mutes 1 string5343sits at fret 3 and needs a barre across 3 strings at fret 3534xsits at fret 3, spans 2 frets and mutes 1 string
Keys Ab belongs to
Ab is diatonic to 24 of the 96 keys this app knows, playing a different role in each.