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01Read it
Every page of the PDF, right here — read it, print it, or open it in the interactive player.
02Learn it
Everything you need to learn His Theme – Undertale — at your own pace, completely free.
His Theme – Undertale is available here as a free piano sheet music PDF. Toby Fox is the credited composer of this work; this arrangement preserves the character of the original while remaining accessible to intermediate-level pianists.
Vivace Music ships sheet music as a clean PDF score and as an interactive web player so you can choose the format that fits how you practice.
Download the PDF — print it or read it on a tablet. The score uses standard staff notation so it works with any music stand or notation reader.
Open the interactive player — get the same score in your browser with a moving cursor, adjustable metronome, tempo 25%–200%, transposition to any key, and an A↔B loop tool.
Music: “His Theme” (Undertale) — Toby Fox. Score by Yamete Kudasai (original score), CC0 1.0 — shared via PDMX (public-domain and Creative Commons scores shared on MuseScore). Adapted for Vivace Music (credits, part names, engraving).
03Questions
The short answers about this score, the free PDF and the interactive player.
Yes. The His Theme – Undertale piano sheet music is a free PDF download — no account, payment, or signup required. You can also play along with the score in our free interactive player.
This is a intermediate-level arrangement for Piano. Designed for players past the absolute-beginner stage who can read both clefs comfortably.
Yes. Open it in our interactive player to play along with the synchronized notation. You can adjust tempo, transpose to any key, loop sections for practice, and add a metronome — all in your browser, with no install.
His Theme – Undertale is credited to Toby Fox. This arrangement is provided for educational use under the free-sheet-music section of Vivace Music.
Yes — open the interactive player and use the transpose control to shift the score up or down by semitone. The notation re-renders instantly so you can read in whichever key suits your voice or instrument.
Yes. The PDF opens directly in your phone's PDF viewer (tap "Download PDF" or the link below the preview), and the interactive player is responsive — score, controls and metronome all work on small screens.
Free tools & lessons
Free browser tools and lessons — no account, and nothing is uploaded.
Open it in the free converter: change key, write it for B♭ clarinet, trumpet, E♭ alto sax or F horn, hear it, then export a PDF, MusicXML or MIDI.
Cut a practice take, fade it in or out, and convert between MP3 and WAV — entirely in your browser.
Free lesson: the seven note names A B C D E F G, where they sit on the staff and on the keyboard — part of a free music theory course.
Vivace Creator, the free notation editor: write notes, chords and lyrics, hear them played, then print or export MusicXML and MIDI.
Letter notes
The melody as note names, bar by bar, in playing order. The small number is the octave: C4 is middle C.
04Keep playing
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