Chord type
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.
Pick a key to hear and see it below. Each key opens a full reference entry with a keyboard diagram, audio, inversions, fingerings, and notation.
Featured key
C Major 7th Chord
Notes: C - E - G - B
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Open the full C Major 7th Chord reference ›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
All 18 spellings, ♯ and ♭ keys listed separately.
Select any key to see notes, inversions, fingering, and practice tips.
C Major 7th ChordNotes: C – E – G – BC♯ Major 7th ChordNotes: C♯ – E♯ – G♯ – B♯D♭ Major 7th ChordNotes: D♭ – F – A♭ – CD Major 7th ChordNotes: D – F♯ – A – C♯D♯ Major 7th ChordNotes: D♯ – F♯♯ – A♯ – C♯♯E♭ Major 7th ChordNotes: E♭ – G – B♭ – DE Major 7th ChordNotes: E – G♯ – B – D♯F Major 7th ChordNotes: F – A – C – EF♯ Major 7th ChordNotes: F♯ – A♯ – C♯ – E♯G♭ Major 7th ChordNotes: G♭ – B♭ – D♭ – FG Major 7th ChordNotes: G – B – D – F♯G♯ Major 7th ChordNotes: G♯ – B♯ – D♯ – F♯♯A♭ Major 7th ChordNotes: A♭ – C – E♭ – GA Major 7th ChordNotes: A – C♯ – E – G♯A♯ Major 7th ChordNotes: A♯ – C♯♯ – E♯ – G♯♯B♭ Major 7th ChordNotes: B♭ – D – F – AB Major 7th ChordNotes: B – D♯ – F♯ – A♯C♭ Major 7th ChordNotes: C♭ – E♭ – G♭ – B♭