If I Knew

by Bruno Mars
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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 — Visual Piano Sheet Music

9 people have learned this song

"If I Knew" in visual bar notation — see every note as a colored bar on the staff. Easier to read than traditional sheet music. Scrolls automatically as you play. 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”

Why does "If I Knew" show as colored bars instead of notation?
Bar Notation replaces traditional noteheads with colored horizontal bars on a simplified staff — each bar's vertical position is the pitch and its length is the duration. Much easier to read than classic sheet music while still showing the full arrangement of "If I Knew".
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 this real sheet music for "If I Knew"?
It's a simplified visual notation using colored bars instead of traditional notes. Each bar's vertical position shows the pitch and its length shows duration — much easier to read for beginners while still showing the complete arrangement of "If I Knew".
Can I see all the notes in "If I Knew"?
Yes! The Bar Sheet shows every note in the arrangement as a colored bar. The sheet scrolls automatically during playback, or you can scroll manually to study any section. The song is in the key of F at 93 BPM.