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 — Easy Piano Notes for Beginners

9 people have learned this song

Learn "If I Knew" on piano with easy notes — perfect for absolute beginners. Large color-coded note names show exactly which keys to press. No music reading required. 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”

Can I play "If I Knew" without reading sheet music?
Yes — Easy Notes mode prints the letter name (C, D, E…) directly on each note in big color-coded labels, so you can match colors to your keyboard without any traditional notation. The whole arrangement of "If I Knew" is playable in minutes, even for first-time players.
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.
Can a complete beginner play "If I Knew"?
Absolutely! The Beginner mode shows large color-coded notes with letter names (C, D, E...). Just match the colors to your keyboard — no music reading needed. "If I Knew" is perfect for first-time players.
Do I need to read music to play "If I Knew"?
No! Our Beginner mode replaces traditional notation with color-coded letter names. Each note shows exactly which key to press. You can start playing "If I Knew" in minutes, even if you've never touched a piano before.