What key is "That's How You Know" in?

"That's How You Know" by Amy Adams is in the key of C with a tempo of 180 BPM. Difficulty: easy.

Is "That's How You Know" easy to play on piano?

Yes — this arrangement is rated easy, meaning it uses simple chord patterns and a manageable tempo. Most beginners can play through it in 1-3 practice sessions using our color-coded notes.

Can I play "That's How You Know" without reading sheet music?

Yes. Our player offers a falling-notes mode (Synthesia-style) and a beginner mode with color-coded keys — both let you play along without reading traditional notation.

How long does it take to learn "That's How You Know" on piano?

1–3 short practice sessions for the basics; 2–3 weeks to perform confidently with both hands.

What other songs by Amy Adams can I play here?

Try "THAT'S HOW YOU KNOW", "HAPPY WORKING SONG", "Happy Working Song". All are available in our player with color-coded notes; pick the one matching your level.

Lyrics

(CN.C.)How does she know

you love her?

How does she know

she’s yours?

How does she know that you love her?

How do you show her you love her?

(A)How does she know that you real ly, real ly tru ly (F)love her?

(A)How does she know that you love her?

How do you show her you love her?

How does she know that you real ly, real ly tru ly (F)love her?

(C)It’s not bod e nough to take the one you love for grant ed.

You must bod re mind her, or she’ll be in (G)clined (E)to (A)say:

“How do I (C)know

(F)he (C)loves me?

How (F)do I (C)know

(E)he’s (A)mine?”

Well, (D)does he (A)leave a lit tle (A)note to (D)tell you you are (Bm)on his mind?

(A)Send you yel low (A)flow ers (D)when the sky is (Bm)gray?

Hey.

(C#m)He’ll find a new way to (F#m)show you a (A)lit tle bit ev ’ry (B)day.

(D)That’s how you (E)know,

(F)that’s how you (G)know he’s your (C)love.

You’ve got to show her you need her; don’t treat her like a mind read er!

Each day do some thing to lead her (A)to be lieve you love her.

That’s how you (C)know

(F)he (C)loves you.

That’s (F)how you (C)know

(E)it’s (A)true.

Be cause he’ll wear your fav ’rite (A)col or (D)just so he can (Bm)match your eyes;

(A)plan a pri vate (A)pic nic (D)by the fire’s (Bm)glow, oh.

(C#m)His heart ’ll be yours for (F#m)ev er, (A)some thing ev ’ry day will (B)show.

(D)That’s how you (E)know,

(F)that’s how you (G)know.

(D)That’s how you (E)know,

(F)that’s how you (G)know.

(D)That’s how you (E)know,

(F)that’s how you (G)know.

(G)know he’s your (C)love.

That’s how you show her you love her.

You’ve got to show her you need her; don’t treat her like a mind read er!

How do you know that you love her?

That’s how you know that you love her.

(C)It’s not e nough to take the one you (C)love (G7)for (Dm)grant (C)ed!

That's How You Know by Amy Adams

1 person has learned this song

Easy piano arrangement in the key of C at 180 BPM. Difficulty: easy. Color-coded notes — no sheet-reading skill required.

About “That's How You Know”

What key is "That's How You Know" in?: "That's How You Know" by Amy Adams is in the key of C with a tempo of 180 BPM. Difficulty: easy.
Is "That's How You Know" easy to play on piano?: Yes — this arrangement is rated easy, meaning it uses simple chord patterns and a manageable tempo. Most beginners can play through it in 1-3 practice sessions using our color-coded notes.
Can I play "That's How You Know" without reading sheet music?: Yes. Our player offers a falling-notes mode (Synthesia-style) and a beginner mode with color-coded keys — both let you play along without reading traditional notation.
How long does it take to learn "That's How You Know" on piano?: 1–3 short practice sessions for the basics; 2–3 weeks to perform confidently with both hands.
What other songs by Amy Adams can I play here?: Try "THAT'S HOW YOU KNOW", "HAPPY WORKING SONG", "Happy Working Song". All are available in our player with color-coded notes; pick the one matching your level.