If I Knew

by Bruno Mars
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How to Play This Song

Learn a simple version, phrase by phrase: the melody, then easy chords.

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Lyrics

(C7sus)Oh, oh, oh, (F)I,

I was a (C)cit y boy;

to ride in to (Bb)dan gers where I’d al ways run, a (Bb)boy who had his fun.

Oh, I would n’t have (F)done

(Dm7)all the things that (Gm)I have done

if I (C)knew one (F)day you’d come.

(Bbm)No, ba by (no, ba by), (F)no ba by (no, ba by).

(C7sus)Oh, oh, oh, (F)I,

I know it (C)breaks your heart

to pic ture the (Bb)on ly one you want and love in (Bb)some one else ’s arms.

Oh, I would n’t have (F)done

(Dm7)all the things that (Gm)I have done

if I (C)knew one (F)day you’d come.

(Bbm)No, ba by (no, ba by), (F)no ba by (no, ba by).

(C7sus)Oh, oh, oh,

Oh, ba by, (A)please,

let’s leave the past be (Dm)hind us, be hind us, so that (A)we

can go where love will (Dm)find us, yeah, will find us.

I know (G)mon sters will leave me, but I (Bb)know that you’ll be (C7)lieve me.

Ba by, (F)I,

I wish we were (C)sev en teen

so I could (Bb)give you all the in no cence

that you give to me.

Oh, I would n’t have (F)done

all the things (Gm)that I’ve done

if I (C)knew

one (F)day you’d come,

if I knew one day (F)you’d come.

If I Knew — Simple Sheet Music

9 people have learned this song

"If I Knew" in simplified sheet music format — the bridge between beginner modes and real sheet music. Color-coded notes with lyrics scrolling horizontally. Perfect for learning to read music. Key of F, 93 BPM.

Tip: Start at 50% speed to get comfortable with the fingering, then work your way up to full tempo.

About “If I Knew”

How does Simplified Piano Arrangement differ from full sheet music for "If I Knew"?
Simplified Arrangement keeps the melody and chords on a simplified staff with lyrics, color-coded for easy recognition. It's a learner-bridge between Beginner mode and the classic engraved Sheet Music — same song, less visual density.
What key is "If I Knew" by Bruno Mars played in?
If I Knew is arranged in the key of F on Super Simple Piano. You can transpose to any other key live in the player.
What's the tempo (BPM) of "If I Knew"?
The arrangement plays at 93 BPM. Use the speed control (10-200%) to practice slower or play faster.
Is "If I Knew" easy to play on piano?
Yes — this is one of our beginner-friendly arrangements with simplified chords and color-coded notes.
Can I download sheet music for "If I Knew"?
Yes — registered users can download PDF sheet music, plus MIDI and MusicXML files for use in other notation software.
Who composed "If I Knew"?
"If I Knew" was originally performed by Bruno Mars. The Super Simple Piano arrangement is simplified for beginner-to-intermediate players.
What other songs by Bruno Mars can I play here?
Try "VERSACE ON THE FLOOR", "JUST THE WAY YOU ARE", "THAT'S WHAT I LIKE". All are in our player with color-coded notes; pick the one matching your level.
Is Simple Sheet good for learning to read sheet music?
Yes! Simple Sheet bridges the gap between beginner color-coded modes and traditional notation. Notes are displayed on a simplified staff with colors, lyrics, and chords — helping you build music reading skills gradually while still enjoying "If I Knew". Key of F, 93 BPM.
What's the difference between Simple Sheet and Lead Sheet?
Simple Sheet shows a more streamlined, horizontally scrolling view with color-coded notes on a staff and lyrics below — like a simplified version of real sheet music. Lead Sheet shows melody with chord symbols above and full lyrics. Simple Sheet is the next step toward reading traditional notation.