Fb is a major, spelled Fb, Ab and Cb. In Standard tuning (E2 A2 D3 G3 B3 E4) the easiest shape is 022100, which sits at fret 1, spans 1 fret and lets 3 strings ring open. 12 positions for it are shown below, from the nut up to fret 13.
Notes and intervals
Note
Fb
Ab
Cb
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.
022100sits at fret 1, spans 1 fret and lets 3 strings ring open022404sits at fret 2, needs a barre across 2 strings at fret 2 and lets 2 strings ring open079990sits at fret 7, spans 2 frets and lets 2 strings ring open076400sits at fret 4, spans 3 frets and lets 3 strings ring open0119900sits at fret 9, needs a barre across 2 strings at fret 9 and lets 3 strings ring open076900sits at fret 6, spans 3 frets and lets 3 strings ring open014141300sits at fret 13, spans 1 fret and lets 3 strings ring open0141413012sits at fret 12, spans 2 frets and lets 2 strings ring open011141300sits at fret 11, spans 3 frets and lets 3 strings ring open076950sits at fret 5, spans 4 frets and lets 2 strings ring open02210xsits at fret 1, spans 1 fret, lets 2 strings ring open and mutes 1 stringxx2100sits at fret 1, spans 1 fret, lets 2 strings ring open and mutes 2 strings
The five shapes
Every shape below is one of the five open chords moved up the neck, with a finger — or the nut — standing in for the open strings. Fb turns up as an E shape, a D shape, a C shape and an A shape: E at the nut, D at fret 2, C at fret 4, A at fret 7.
E shapeFb as an E shape: the open shape itself, fingered 022100 against the nut.D shapeFb as a D shape: index finger at fret 2, fingered xx2454.C shapeFb as a C shape: barre at fret 4, fingered x76454.A shapeFb as an A shape: barre at fret 7, fingered x79997.
Keys Fb belongs to
Fb is diatonic to 24 of the 96 keys this app knows, playing a different role in each.