Chord Drill

Chord Finder

Identify any chord by clicking keys — inversions and voicing boxes.

Circle of Fifths

Interactive key relationships — scales, chords, and staff notation.

Practice Room

MIDI-guided chord and scale practice with real-time accuracy, simultaneity, and tempo feedback.

Key Signature Quiz

Identify keys from their signatures. Tap the root on the keyboard, play it on MIDI, or sing into the mic.

MIDI Monitor

Diagnostic stream of every MIDI message — bytes, notes, velocity, CCs, pitch bend.

Scale Drill

Build scale fluency with SM-2 spaced repetition and structured tempo graduation.

Interval Trainer

Train your ear — identify intervals by sound, name, or keyboard position.

Note Reading

Practice reading notes on the treble and bass staff. Tap or play to answer.

Skill Diagnostic

Quick placement assessment — maps your strengths and recommends a starting level.

MIDI Latency Calibration

Measure your MIDI round-trip latency so timing stays accurate at fast tempos.

MIDI Gear Guide

USB keyboards and cables that work with piano.org. Browser compatibility, setup, picks for every budget.