Play Music Theory: Draw Music Online

The Key control moves the tonal center of your drawing. Scale chooses the collection of notes available on the canvas. Play Music Theory includes major and minor pentatonic, major, minor, harmonic minor, Dorian, Phrygian, Lydian, Mixolydian, and blues. Begin with a pentatonic scale if you want fewer pitches to manage. Switching scales keeps your lines in place while changing the notes they produce.

Range sets how many octaves fit vertically. A larger range creates bigger pitch changes over the same distance. Octave shifts the drawing while backing keeps its register. Pro Tune adjusts melodic pitches in cents. Change one control at a time to understand its effect. The small keyboard beside Key highlights the pitch classes in the selected scale.

Line is the freehand drawing mode in Play Music Theory. It follows continuous lines and turns their path into notes. Pixel is the alternate view: the whole drawing becomes a pattern of square notes. Switching back restores the original lines. New strokes remain editable in either view, so you can compare the same idea as flowing lines or pixels.

The grid helps you compare positions and line up repeated ideas. Use Undo and Redo to move through edits. The eraser removes the parts you cross, leaving the remaining lines in place. Restart clears the drawing while playback continues. Shuffle supplies an original pattern without replacing musical settings. Neither option requires you to work through a lesson or complete a particular composition.

Tempo sets the speed in beats per minute. Use the slider, type a value, or tap the Tap button several times at a steady pace. New desktop drawings repeat sixteen beats; new phone drawings repeat eight. Quantize divides that loop into a timing grid, with quarter notes, eighth notes, sixteenth notes, thirty-second notes, and triplet choices.

Pro Swing delays alternating positions on straight grids; triplets keep their own timing. Compare Off, Light, Medium, and Hard on the same drawing. In Play Music Theory, quantization changes when notes begin; it does not change the shape you drew. Enable Click for a metronome while practicing. The metronome is a listening aid and is not included in downloaded music.

The three named backing controls are independent layers. Bass adds a low pattern, Drums provides percussion, and Arpeggio adds a repeating sequence of notes. You can switch on any combination. Start with the bass, add your melody, then bring in drums if the piece needs a stronger pulse.

An arpeggio plays chord tones in sequence rather than together. The melodic backing layers follow the selected key. Play Music Theory includes these layers in WAV and MIDI exports, so the downloaded arrangement reflects the switches you chose. If the result sounds busy, turn a layer off or erase a few notes instead of increasing the tempo.

Play Music Theory automatically keeps the current drawing in this browser when local storage is available. Save drawing also adds a named project to My drawings on the same device. These are local copies, not a promise of cloud synchronization. Clearing browser data or using a different browser can make them unavailable.

Download a JSON project file for a separate backup. It contains your strokes, colors, tempo, scale, and other musical settings, so you can reopen and edit them later. Importing a valid project restores those choices. Save another copy before making a large change. A photo background stays in its browser tab and is not bundled into the project.

A Play Music Theory share link contains the drawing itself. Someone who opens it receives a copy they can play and change; their edits do not overwrite yours. Keep very detailed projects as downloadable files if a link becomes too long. Share only work you want its recipients to have.

Pro WAV export is rendered audio: it keeps the studio sounds, the selected backing layers, and the natural release after one loop. MIDI contains note instructions, instrument suggestions, tempo, and tuning information for another music program. Its sound depends on that program’s instruments. Play Music Theory also exports SVG artwork when you want the drawing without audio. Choose the format for the next task, rather than assuming the files are interchangeable.

The Backdrop button opens the canvas appearance controls. Choose a clean light surface, a contrasting dark stage, or a photo from your own device, and return to drawing whenever you are ready. Your marks remain editable over the image. A background changes how the canvas looks, not how the notes are calculated.

For tracing in Play Music Theory, choose an image you own and keep its shapes simple. The photo is local to the open tab and is not uploaded. The Photo view also maps a separate photo to each instrument in a nine-part visual grid. Reopen photos separately if you return later.

Begin with one voice and a short phrase. Listen through the whole loop before adding another color. Leave gaps for contrast, and compare a sparse version with a busier one. Longer ringing voices overlap naturally, while short plucked notes make the timing more obvious.

Keep a named copy before experimenting with a different scale or arrangement. If the new version feels less clear, reopen the earlier project or use Undo. A quieter pattern with fewer notes can be easier to develop than a full canvas.