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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)
- Why does "Once Upon A Time" show as colored bars instead of notation?
- Bar Notation replaces traditional noteheads with colored horizontal bars on a simplified staff — each bar's vertical position is the pitch and its length is the duration. Much easier to read than classic sheet music while still showing the full arrangement of "Once Upon A Time".
- 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.
- Is this real sheet music for "Once Upon A Time"?
- It's a simplified visual notation using colored bars instead of traditional notes. Each bar's vertical position shows the pitch and its length shows duration — much easier to read for beginners while still showing the complete arrangement of "Once Upon A Time".
- Can I see all the notes in "Once Upon A Time"?
- Yes! The Bar Sheet shows every note in the arrangement as a colored bar. The sheet scrolls automatically during playback, or you can scroll manually to study any section. The song is in the key of F at 65 BPM.
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