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 — Piano Lead Sheet

9 people have learned this song

"If I Knew" lead sheet with chords, melody, and lyrics. Play the melody while following chord symbols above. Perfect for sing-along or accompaniment. 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”

Where are the chord symbols for "If I Knew" displayed?
Lead Sheet shows chord symbols (like Am, G7, C) above the melody line with lyrics below. Every chord change highlights in real time as the song plays, so you can play the melody with the right hand and follow chord shapes with the left. "If I Knew" is in F.
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.
Does "If I Knew" have chords and lyrics?
Yes! The Lead Sheet shows the melody with chord symbols (like Am, G, C) and full lyrics. Perfect for singing along or playing with a band. "If I Knew" is in the key of F at 93 BPM.
What chords are in "If I Knew"?
Open the Lead Sheet to see all chord symbols displayed above the melody line. The song is in the key of F, so you'll find chords common to that key. Each chord highlights in real time as the song plays.