Made and maintained by Brian Hamilton and Karan Hamilton.
Brian builds the playable puzzle tools, while Karan helps test clarity, difficulty feel, and the player experience.
Playable puzzles and controls are tested in the browser for rule accuracy, usability, and a clear solving experience. See how we make and test puzzles, our editorial standards, or report a problem.
Do you need to read music to play Music Sudoku?
Music Sudoku runs classic sudoku on nine pictures from the band room: π΅ a music note, πΈ a guitar, πΉ a piano, π₯ a drum, π€ a microphone, π§ headphones, π· a saxophone, πΊ a trumpet and π» a violin. Each one goes once in every row, column and box. The views, sizes and levels are the same arrangement in all 21 of our picture games, and Themed Sudoku has the full score.
No. Most of what a search for “music sudoku” turns up is for the music classroom: books and worksheets that swap the digits for notation, whole, half and quarter notes and rests, so every solve drills note values. This game is the other kind. The instruments are only names for the numbers 1 to 9, and the one note in the set, the π΅, is a picture, not a rhythm. If a lesson needs notation, a classroom book is the right tool; if it needs a quiet stretch of logic, this is.
Which instruments come in at each board size?
Pictures join in the order of the key, and this set assembles like a career. The 4×4 board is a garage band: music note, guitar, piano and drum. The microphone and the headphones arrive at 6×6, the recording-studio years, and 6×6 is the size the game opens on. The saxophone, trumpet and violin wait for the full 9×9, when the horn section and the strings finally turn up.
On a Windows PC at phone width, light or dark, none merged, but two pairs share a first impression. The saxophone and the trumpet are the only gold pictures, and they first meet on 9×9: the sax is a slim hook, the trumpet a coiled horn with a flared bell. The guitar and the violin lie on the same slant, neck up to the right, but the guitar is red and the violin brown, the dimmest of the nine on the dark board. Other phones draw their own emoji, so your pairs may differ. If one slows you down, switch to Both: the sax is 7, the trumpet 8.
Cinco de Mayo Sudoku deals the πΊ trumpet as its first picture and the πΈ guitar as its fourth, so the trumpet that waits for 9×9 here is on every Cinco de Mayo board. St Patrick’s Day Sudoku has the π΅ as “Irish Music” and the π» as its Fiddle, the same emoji this game calls the Violin. Fair enough: a fiddle is a violin played as folk music.
How do notes work in Music Sudoku?
This is the one game where “note” does two jobs. Notes are the pencil marks you put in a square while you decide; the Music Note is picture 1. Turn on Notes and each picture you tap goes into the selected square as a small mark rather than an answer; Auto Notes fills every empty square at once with the pictures its row, column and box still allow. In Both, the view the game opens in, the marks are digits. In Pictures they are tiny pictures, so a square that might be the Music Note carries a tiny π΅. Yes, you can put notes on the note. We thought about renaming one of them and decided the sentence was too good to lose.
The game gives each picture a fixed place for its note, in key order. In a 6×6 square that is two rows of three, π΅ πΈ πΉ over π₯ π€ π§, and 9×9 adds a row of π· πΊ π». A π΅ note always sits top left, so one glance at that corner tells you whether a square could still be the Music Note. The diagrams below draw only the notes each square has, larger.
Notes pay off once a board starts thin. Here is a real 6×6 Medium board from this game, worked from Auto Notes, with the notes drawn for one row:
R2C6 is a naked single read straight off the notes: a square with one note left takes that picture. Notes show the other kind too, a picture that turns up in only one square’s notes along a row, column or box: a hidden single, which the Themed Sudoku page draws on a 6×6 board. Our guide to pencil marks covers when a full set of notes helps and when a few will do.
Is Music Sudoku good for music students?
Music students spend their week on patterns, scales, intervals and counted rhythm, and scanning a sudoku is pattern work without the sound. That makes this board a fit for the quiet gaps around lessons: the waiting room beforehand, the wind-down after practice, the long minutes before a recital when the instrument cannot come out of its case. To be clear about what it will not do: it teaches deduction, not an instrument, and not notation either. The theme is the invitation.
If a name is called mid-board, leave it: the game saves the board in this browser, notes included, until you start a new one. For the youngest in the waiting room, the 4×4 garage band is four pictures on sixteen squares. Sudoku for Kids shows how to teach the rules, and the small boards come without the instruments as 4x4 Sudoku and 6x6 Sudoku.
Coda: whatever the size, every board resolves to one answer, with no picture repeated in any row, column or box, so nobody plays over anyone else.