What key is "Be Careful, It's My Heart" in?

"Be Careful, It's My Heart" by Irving Berlin is in the key of Bb with a tempo of 132 BPM. Difficulty: easy.

Is "Be Careful, It's My Heart" 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 "Be Careful, It's My Heart" 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 "Be Careful, It's My Heart" on piano?

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

What other songs by Irving Berlin can I play here?

Try "MARIE", "A PRETTY GIRL IS LIKE A MELODY", "A COUPLE OF SWELLS". All are available in our player with color-coded notes; pick the one matching your level.

Lyrics

(C7)Be (Gm7)care ful,

(C7)it’s my (F6)heart.

It’s (Gm7)not my watch you’re (C7)hold ing, it’s my (F6)heart.

It’s (E)not the note I (D7)sent you that (C)you quick ly (F)burned.

(Ab)It’s not the (Eb7sus)book I (Ab)lent you that (Dm7)you (G7)nev er re (Gm7)turned.

(C7)Re (Gm7)mem ber,

it’s my (F6)heart.

The (Gm7)heart with which so (C7)will ing ly I (Am7)part.

It’s (Gm7)yours to take to (G)keep or break, but (F)please, be (Dm)fore you (G7)start,

be (Gm7)care ful,

(C7)it’s my (F6)heart.

Be (Gm7)care ful,

(C7)it’s my (F6)heart.

It’s (Gm7)not my watch you’re (C7)hold ing, it’s my (F6)heart.

It’s (E)not the note I (D7)sent you that (C)you quick ly (F)burned.

(Ab)It’s not the (Eb7sus)book I (Ab)lent you that (Dm7)you (G7)nev er re (Gm7)turned.

(C7)Re (Gm7)mem ber,

it’s my (F6)heart.

The (Gm7)heart with which so (C7)will ing ly I (Am7)part.

It’s (Gm7)yours to take to (G)keep or break, but (F)please, be (Dm)fore you (G7)start,

be (Gm7)care ful,

(C7)it’s my (F6)heart.

Be (Db)heart.

Be Careful, It's My Heart by Irving Berlin

Easy piano arrangement in the key of Bb at 132 BPM. Difficulty: easy. Color-coded notes — no sheet-reading skill required.

About “Be Careful, It's My Heart”

What key is "Be Careful, It's My Heart" in?: "Be Careful, It's My Heart" by Irving Berlin is in the key of Bb with a tempo of 132 BPM. Difficulty: easy.
Is "Be Careful, It's My Heart" 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 "Be Careful, It's My Heart" 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 "Be Careful, It's My Heart" on piano?: 1–3 short practice sessions for the basics; 2–3 weeks to perform confidently with both hands.
What other songs by Irving Berlin can I play here?: Try "MARIE", "A PRETTY GIRL IS LIKE A MELODY", "A COUPLE OF SWELLS". All are available in our player with color-coded notes; pick the one matching your level.