Can I practice left and right hand separately for "What's He Doing In My World"?

Yes! Our Top Down mode lets you isolate the left hand (bass clef), right hand (treble clef), or play both together. This makes it easy to master "What's He Doing In My World" one hand at a time before combining them.

What is falling notes style for "What's He Doing In My World"?

Falling notes (also known as Synthesia or piano waterfall) shows color-coded rectangles falling from the top of the screen onto a virtual keyboard. Each note's position matches the piano key you need to press. "What's He Doing In My World" is in the key of C at 88 BPM.

What's He Doing In My World — Falling Notes Piano Tutorial

Watch "What's He Doing In My World" by Eddy Arnold in falling notes style — like Synthesia. Color-coded notes fall onto the keyboard in real time. Practice left hand, right hand, or both. Key of C, 88 BPM.

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

Lyrics

What’s he do ing in (C)my world? What’s he do in’ hold in’ (G7)my world? If he’s not (F)more than just a (G7)friend, then (C)why were you kiss ing (Am)him? What’s he (G7)do ing in (C)my world? (CN.C.)What’s he do ing in (C)my world? Did you tell him that you’re (G7)my girl? If your (F)love is real ly (G7)true, tell him (C)my world’s made for (Am)two. What’s he (G7)do ing in (C)my world? Oh, don’t (B)let me keep on (E7)won d’rin’ just (Am)what you’re gon na (Am)do, (D7)won d’rin’ if the one I love loves some bod y (G7)new. (CN.C.)What’s he do ing in (C)my world? We don’t need him in (G7)our world. So if it’s (F)true he’s just a (G7)friend, ex (C)plain those kiss es you gave (Am)him, and what’s he (G7)do ing in (C)my world? (CN.C.)What’s he do ing in (C)my world? What’s he do in’ hold in’ (G7)my world? If he’s not (F)more than just a (G7)friend, then (C)why were you kiss ing (Am)him? What’s he (G7)do ing in (C)my world? (CN.C.)What’s he do ing in (C)my world? Did you tell him that you’re (G7)my girl? If your (F)love is real ly (G7)true, tell him (C)my world’s made for (Am)two. What’s he (G7)do ing in (C)my world? Oh, don’t (B)let me keep on (E7)won d’rin’ just (Am)what you’re gon na (Am)do, (D7)won d’rin’ if the one I love loves some bod y (G7)new. (CN.C.)What’s he do ing in (C)my world? We don’t need him in (G7)our world. So if it’s (F)true he’s just a (G7)friend, ex (C)plain those kiss es you gave (Am)him, and what’s he (G7)do ing in (C)my world? (CN.C.)What’s he do ing in (C)my world?

Try other practice modes:

Beginner Lead Sheet Bar Sheet Simple Sheet

Song Details

Category: Country
Key: C
Tempo: 88 BPM
Difficulty: easy
Artist: Eddy Arnold

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How to Play "What's He Doing In My World" on Piano

1
Pick a practice mode — Choose from Fall Down, Beginner, Lead Sheet, Bar Sheet, or Simple Sheet — each mode visualizes the music differently to match your learning style.
2
Practice each hand separately — Use the Left, Right, and Both buttons to isolate the bass or treble part and build muscle memory one hand at a time.
3
Adjust speed and turn on metronome — Slow down to 50% while learning, then gradually speed up. Enable the metronome to keep steady timing.
4
Loop a section — Select a tricky part and loop it until you nail it. Perfect for mastering difficult passages.
5
Download sheet music — Export a PDF of the sheet music to print out and practice on your real piano anytime, anywhere.