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

"That's How You Know" by Amy Adams is in the key of D with a tempo of 144 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

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?

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

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 love her?

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 clined to say:

“How do I know

he loves me?

How do I know

he’s mine?”

Well, does he leave a lit tle note to tell you you are on his mind?

Send you yel low flow ers when the sky is gray?

Hey.

He’ll find a new way to show you a lit tle bit tle ev ’ry day.

do.

That’s how you know,

that’s how you know he’s your 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 to be lieve you love her.

That’s how you know

he loves you.

That’s how you know

it’s true.

Be cause he’ll wear your fav ’rite col or just so he can match your eyes;

plan a pri vate pic nic by the fi re’s glow, oh.

His heart ’ll be yours for ev er, some thing ev ’ry day will show.

That’s how you know,

that’s how you know.

That’s how you know,

that’s how you know.

That’s how you know,

that’s how you know.

know he’s your love.

That's How You Know by Amy Adams

Easy piano arrangement in the key of D at 144 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 D with a tempo of 144 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.