Fm · Cavaquinho

Two seconds of homework. Play a F major — or just hit play on its page — and right after, press the player below. Same name, same root. But something got heavier. Nobody has to explain sadness for you to recognize it: that's Fm.

Listen first

What you just heard

The trick is smaller than it sounds. Two of the three notes didn't move: F and C stayed put. Only the middle one dropped — a half step, the smallest distance in music — and became G#. Go back to the audio and catch the arpeggio note by note and stop at the second note. That's the one. Half a step separates a sunny day from a Monday morning.

Now it's your hands' turn

On the cavaquinho, four steel strings tuned D–G–B–D pack the chord into a small, bright space — every finger counts. So the first position below is your way in — the position marked with ⭐ is the easiest to play. And do the exercise that's worth a whole lesson: F major, then Fm, then major again. Back and forth ten times, slowly. Your ear learns the difference before your brain does.

Precision Tuner — Before you play these shapes, get in tune — chromatic tuner and reference tones · see it in Chord & Fret

Once the first shape comes out without thinking, the positions below are waiting. That's where Fm lives in songs that roam the neck.

Every shape of Fm lives in Chord & Fret Pro — 4 instruments, 16 tunings, 41 chord types and 57 scales, in every key. Start free. Unlock everything with Pro. 100% offline. Free to start, no card needed.

What is Fm?

Fm: F minor. The notes are F, Ab, C (fixed-do: Fa, La♭, Do) — the degrees 1–b3–5.

Where this chord lives

In real music, Fm works almost always as iv in C minor, i in F minor. In global pop it's the famous vi: the serious detour a chorus takes without leaving the key. You've heard it a thousand times; now you'll start noticing it.

Transpose & Capo — Need it in another key? Move the whole chart and find the easiest capo · use it in Chord & Fret

Identify Chord — Found a shape on your own fretboard? The app names it back · open in Chord & Fret

Where it tends to go

Treating Fm as the home chord (I) of its key, it usually moves toward the pre-dominant (Gm / Bb) or the dominant (C / E°) — and the dominant pulls back home. It's a tendency, not a law.

When you want to go further

When it's time to improvise, F Dorian (F G Ab Bb C D Eb · 1 2 b3 4 5 6 b7: the minor scale with a major sixth — the minor that smirks); F Aeolian (F G Ab Bb C Db Eb · 1 2 b3 4 5 b6 b7: the natural minor, the major scale's relative sibling); F Phrygian (F Gb Ab Bb C Db Eb · 1 b2 b3 4 5 b6 b7: the minor with a lowered second — a Spanish seasoning) work in full. The swaps below are the chord's cousins: different color, same job.

Scale — The whole scale on the neck — in boxes or 3 notes per string; on the major modes, on guitar in standard tuning, with the CAGED forms named · try it in Chord & Fret

Improvising in context

To improvise over Fm as home, the F Aeolian scale fits entirely — it contains every note of the chord. And when the dominant (C) pulls back, the leading tone E is the note that wants to resolve home.

Swaps that work:

• Abmaj7 — Relative major (♭III)
• Bb7 — It's the ii; resolves to this V

Reharmonize — Want richer substitutions? Reharmonize the progression in a tap · try it in Chord & Fret

There's one step left in this story. The serious Fm you just learned has a softer, late-afternoon version that lo-fi and bossa nova love: Fm7. Go hear the difference.

Updated July 9, 2026