Major (Ionian) Scale — All 12 Keys
Major (Ionian) in all 12 keys for guitar, bass, ukulele, and piano — notes, scale degrees, and free printable charts. The reference scale of Western music — every mode, key signature, and most chord theory is measured against this seven-note major pattern.
How the major (ionian) is built
The major (ionian) has 7 notes, with the scale degrees R · 2 · 3 · 4 · 5 · 6 · 7. Those degrees stay the same in every key — only the note names change — which is why the same shape moves up and down the neck.
Pick a key
Charts below are grouped by instrument. Each one lists the notes and degrees, and opens in the interactive tool where you can compare it against another scale, switch tuning, and export a printable PDF.