His Theme (From Undertale)

Toby Fox · Shared by Lê · Key of Gb · Medium

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Converted from YouTube

This sheet was made from Sheet Music Boss’s YouTube piano video, “His Theme (from Undertale) - Piano Tutorial”. Watch it, then keep practicing here.

Do not worry about me… Someone has to take care of these flowers.
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His Theme (From Undertale) by Toby Fox

About “His Theme (From Undertale)”

This medium level song is in the key of Gb at 91 BPM. Uploaded by Lê.

Questions about this song (9)
Can I learn "His Theme (From Undertale)" with falling notes like Synthesia?
Yes — Falling Notes mode shows colored note shapes dropping onto a virtual keyboard, the same visual style as Synthesia or piano-tile games. Each note's column matches the piano key you press. Works for "His Theme (From Undertale)" with hands-separate practice in Gb at 91 BPM.
What key is "His Theme (From Undertale)" by Toby Fox played in?
His Theme (From Undertale) is arranged in the key of Gb on Super Simple Piano. You can transpose to any other key live in the player.
What's the tempo (BPM) of "His Theme (From Undertale)"?
The arrangement plays at 91 BPM. Use the speed control (10-200%) to practice slower or play faster.
Is "His Theme (From Undertale)" easy to play on piano?
This is a medium-difficulty arrangement. Most players can learn it within a few practice sessions using the speed control.
Can I download sheet music for "His Theme (From Undertale)"?
Yes — registered users can download PDF sheet music, plus MIDI and MusicXML files for use in other notation software.
Who composed "His Theme (From Undertale)"?
"His Theme (From Undertale)" was originally performed by Toby Fox. The Super Simple Piano arrangement is simplified for beginner-to-intermediate players.
What other songs by Toby Fox can I play here?
Try "Attack of the Killer Queen (from Deltarune)", "Battle Against a True Hero (from Undertale)", "Bergentrückung + ASGORE (from Undertale)". All are in our player with color-coded notes; pick the one matching your level.
Can I practice left and right hand separately for "His Theme (From Undertale)"?
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 "His Theme (From Undertale)" one hand at a time before combining them.
What is falling notes style for "His Theme (From Undertale)"?
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. "His Theme (From Undertale)" is in the key of Gb at 91 BPM.
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