Major 7th Chords on Piano
The major 7th chord is a lush, dreamy, and sophisticated extension of the major triad — adding the major seventh creates a warm, floating sound that defines jazz ballads, bossa nova, and neo-soul.
Formula: Root – Major 3rd – Perfect 5th – Major 7th
Intervals: 4 + 3 + 4 semitones (from root)
Scale degrees: 1–3–5–7
Sound: Dreamy, warm, sophisticated, floating
Symbol: maj7, M7, or Δ after the letter (Cmaj7, DM7 etc.)
Major 7th vs Dominant 7th: Cmaj7 has B natural (major seventh) — dreamy and resolved. C7 has B♭ (minor seventh) — tense and driving. One semitone completely changes the character. Major 7ths are resting chords; dominant 7ths want to move.
Major 7th Chord in All 18 Keys
Select any key to see notes, inversions, fingering, and practice tips.
C Major 7th Chord
C# Major 7th Chord
Db Major 7th Chord
D Major 7th Chord
D# Major 7th Chord
Eb Major 7th Chord
E Major 7th Chord
F Major 7th Chord
F# Major 7th Chord
Gb Major 7th Chord
G Major 7th Chord
G# Major 7th Chord
Ab Major 7th Chord
A Major 7th Chord
A# Major 7th Chord
Bb Major 7th Chord
B Major 7th Chord
Cb Major 7th Chord