If I Knew

· by Bruno Mars

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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 by Bruno Mars — Easy Piano for Kids

This page shows “If I Knew” by Bruno Mars in our color-coded kid songbook view — every note is colored by pitch (red C, orange D, yellow E, green F, blue G, purple A, pink B) and the lyrics sit directly under each note, so children can sing along while they play. The song is in the key of Bb at 93 BPM, a comfortable easy-level arrangement perfect for first-time learners.

Tips for parents & teachers

Start at 50% tempo using the BPM control. Speed up only when your child can play through without stopping.
Turn on the metronome from the top bar to build steady rhythm.
Use the segmented OFF / C / 1 button to toggle note labels on the staff and keys — kids learn note names faster with letters showing.
Tap a measure number on the timeline to jump to a specific section for repeat practice.

Frequently asked questions

Is "If I Knew" good for a child learning piano?: Yes — this color-coded arrangement is designed for ages 4-12. Each note is colored by pitch so kids match colors to keys, no music reading required. Lyrics sit under every note for sing-along play.
What age can start with "If I Knew"?: Children as young as 4 can follow the color-coded notes. By age 6-7 most kids can play through the song themselves with light guidance. Parent help is recommended for the first few sessions.
Do we need a piano teacher to use this?: No — the color-coded format is designed to be self-explanatory. Parents with no music background can supervise. Teachers can also use it as an introductory lesson tool.
Can we print the sheet music?: Yes — tap "Download Sheet Music" above for a free printable PDF with the same color-coded notes that appear on screen.
What other Bruno Mars songs work for kids?: Try "CHUNKY", "VERSACE ON THE FLOOR", "FINESSE". All play with color-coded notes; pick a familiar tune to keep kids engaged.