What key is "I Need To Know" in?

"I Need To Know" by Tom Petty And The Heartbreakers is in the key of E with a tempo of 120 BPM. Difficulty: medium.

Is "I Need To Know" easy to play on piano?

This arrangement is rated medium. It requires comfort with chord shapes and basic hand independence. Expect 1-2 weeks of regular practice for a confident performance.

Can I play "I Need To 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.

What chords are used in "I Need To Know"?

This arrangement of "I Need To Know" uses 7 chords: A7, B7, C, D, Dsus4, E, E7.

How long does it take to learn "I Need To Know" on piano?

2–4 weeks of consistent practice (20–30 min/day) for an intermediate player. Drill the tricky passages in isolation first.

What other songs by Tom Petty And The Heartbreakers can I play here?

Try "HERE COMES MY GIRL", "DON'T DO ME LIKE THAT", "REFUGEE". All are available in our player with color-coded notes; pick the one matching your level.

Lyrics

Well, the (D)talk on the street says you (D)might go for so lo.

A good friend of mine den it’s saw you leav in’ by your (Dsus)back door.

I need to (E)know.

(I need to know.) I need to (D)know.

(I need to know.) If you (C)think you’re gon na leave, then you (D)bet ter say so.

I need to (E)know.

(I need to know.) I need to (D)know.

(I need to know.) ’Cause I (C)don’t know how long

(Dsus)I can hold (D)on.

If you’re (C)mak in’ me wait,

if you’re (Dsus)lead in’ (D)me on,

I need to (E)know.

(I need to know.)

I need to (E)know.

(I need to know.)

(D)Who would a thought that you’d (D)might fall for his line.

A All of a sud den it’s saw me leav in’ on the (Dsus)out side.

I need to (E)know.

(I need to know.) I need to (D)know.

(I need to know.) If you (C)think you’re gon na leave, then you (D)bet ter say so.

I need to (E)know.

(I need to know.) I need to (D)know.

(I need to know.) ’Cause I (C)don’t know how long

(Dsus)I can hold (D)on.

If you’re (C)mak in’ me wait,

if you’re (Dsus)lead in’ (D)me on,

I need to (E)know.

(I need to know.)

I need to (E)know.

(I need to know.)

I need to (E)know.

I Need To Know by Tom Petty And The Heartbreakers

5 people have learned this song

Easy piano arrangement in the key of E at 120 BPM. Difficulty: medium. Color-coded notes — no sheet-reading skill required.

About “I Need To Know”

What key is "I Need To Know" in?: "I Need To Know" by Tom Petty And The Heartbreakers is in the key of E with a tempo of 120 BPM. Difficulty: medium.
Is "I Need To Know" easy to play on piano?: This arrangement is rated medium. It requires comfort with chord shapes and basic hand independence. Expect 1-2 weeks of regular practice for a confident performance.
Can I play "I Need To 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.
What chords are used in "I Need To Know"?: This arrangement of "I Need To Know" uses 7 chords: A7, B7, C, D, Dsus4, E, E7.
How long does it take to learn "I Need To Know" on piano?: 2–4 weeks of consistent practice (20–30 min/day) for an intermediate player. Drill the tricky passages in isolation first.
What other songs by Tom Petty And The Heartbreakers can I play here?: Try "HERE COMES MY GIRL", "DON'T DO ME LIKE THAT", "REFUGEE". All are available in our player with color-coded notes; pick the one matching your level.