Cmaj7 cavaquinho chord

Cmaj7 (C major seventh) is built from C, E, G and B, the degrees 1–3–5–7. On cavaquinho, the main shape is 2 4 1 2, the first diagram, marked with the star.

You know the hotel-lobby pianist, playing so nobody leaves? This is their chord. Cmaj7 is your regular C with the window open — same house, more air. Give the audio below a listen and notice how it asks you to stay.

Hear Cmaj7 before you play

Why Cmaj7 sounds this way

Here's the curious part: B, the new note, lives a half step from C — that close, it should grind. And it does. But E and G hold the room, so the grind turns into shimmer instead of a fight. Now listen to the arpeggio, one note at a time all the way to the last note and wait: you'll feel the spark without the fire. It's tension, domesticated — which is why it sounds expensive.

How to play Cmaj7 on cavaquinho

On the cavaquinho, four steel strings tuned D–G–B–D pack the chord into a small, bright space — every finger counts. So go with the first position below; it's the main shape — that's why it carries the ⭐. Then do the before-and-after: C, then Cmaj7. The second is the first one after sunset. Repeat until it stops sounding "wrong" — for a lot of people this chord feels odd on the first listen and addictive by the third.

Precision Tuner: Get in tune before you play: chromatic tuner and reference tones, free in standard tuning · open in Chord and Fret

The mid-neck positions are the favorites of anyone backing a singer: up there, a maj7 turns into carpet. File that away for the day you play with someone.

Cmaj7 notes and degrees

Cmaj7 stacks the root C, the major third E, the perfect fifth G and the major seventh B.

Where Cmaj7 shows up

Across keys, Cmaj7 works as Imaj7 in C major, VImaj7 in E minor, IVmaj7 in G major — almost always the deluxe I or the elegant IV. It was bossa nova's signature and became the world's: today it shows up from jazz to indie without asking permission.

Transpose & Capo: Need it in another key? Transpose the progression for free; finding the best capo is part of Pro · see it in Chord and Fret

Identify Chord: Found a shape on your fretboard? Mark it on the screen and the app names the chord, 5 times a day for free · try it in Chord and Fret

Where Cmaj7 usually goes

Treating Cmaj7 as the home chord (I) of its key, it tends to go toward the pre-dominant (Dm / F) or the dominant (G / B°), and the dominant pulls back home. Typically, not a rule.

Going beyond Cmaj7

For improvising, C Ionian (C D E F G A B · 1 2 3 4 5 6 7: the plain major scale, where everything starts); C Lydian (C D E F# G A B · 1 2 3 #4 5 6 7: the major scale with a raised fourth — one extra step of daydream); C Lydian ♯2 (C D# E F# G A B · 1 #2 3 #4 5 6 7: a lydian with a raised second, harmonic-major color) wrap the whole chord. And the jazz shapes at the end are the same four notes spread across the neck, for the day you want to sound like an arranger.

Scale: The scale's positions across the neck, with degree, note and finger labels, free; playing the scale and the tempo-ramp exercise are part of Pro · open in Chord and Fret

Scales to improvise over Cmaj7

To improvise over Cmaj7 as home, the C Ionian scale covers it whole: it contains every note of the chord. The best fit depends on the key, the surrounding chords and the tensions you want. And when the dominant (G) pulls back, the leading tone B is the note that wants to resolve home.

Swaps that work:

• Am7Am7Am7Am7 — Relative minor (vi) — same tonic function
• Em7Em7Em7Em7 — Mediant (iii) — tonic function

Reharmonize: Want richer substitutions? Reharmonize's Subtle and Medium levels are free; Bold and Jazz are part of Pro · use it in Chord and Fret

And when the song wants solid ground again, the way back is short: plain C. Drop the seventh, close the window — the house is still there.

Updated October 20, 2026