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Converted from YouTube
This sheet was made from Piano Music Bros.’s YouTube piano video, “Once Upon A Time - Undertale [Piano Tutorial] (Synthesia) // bigbug54321”. Watch it, then keep practicing here.
More Undertale Music. Learn piano songs quick and easy.Open on YouTube
Once Upon A Time by Undertale bigbug54321
About “Once Upon A Time”
This medium level song is in the key of F at 65 BPM. Uploaded by Olivia.
Questions about this song (8)
- Can I learn "Once Upon A Time" 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 "Once Upon A Time" with hands-separate practice in F at 65 BPM.
- What key is "Once Upon A Time" by Undertale bigbug54321 played in?
- Once Upon A Time 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 "Once Upon A Time"?
- The arrangement plays at 65 BPM. Use the speed control (10-200%) to practice slower or play faster.
- Is "Once Upon A Time" 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 "Once Upon A Time"?
- Yes — registered users can download PDF sheet music, plus MIDI and MusicXML files for use in other notation software.
- Who composed "Once Upon A Time"?
- "Once Upon A Time" was originally performed by Undertale bigbug54321. The Super Simple Piano arrangement is simplified for beginner-to-intermediate players.
- Can I practice left and right hand separately for "Once Upon A Time"?
- 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 "Once Upon A Time" one hand at a time before combining them.
- What is falling notes style for "Once Upon A Time"?
- 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. "Once Upon A Time" is in the key of F at 65 BPM.
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