piano.org
Understand the piano

E Major

E — G♯ — B
Explore the E Major page →
Effect: embers·Auto-cycle 4.5s
1,400+Pages
43Chord Types
25Scale Types
7Modes
50+Widgets
🎹
Find a Chord
Type any chord name. See it. Hear it. Play it.
Open →
📖
Learn Theory
From your first chord to jazz harmony. Interactive guides with audio.
Open →
🎵
Explore Songs
Step-by-step guides to iconic piano pieces.
Open →
Start Here
Featured
What Is a Chord?
The complete guide: triads, 7ths, extended — all with interactive keyboards and audio.
Featured
What Is an Interval?
14 sections, 9 interactive widgets. Master intervals and ear training.
Featured
Hidden Patterns
11 visual patterns that unlock the whole keyboard. See the piano differently.
Featured
Memory Pegs
16 pegs, 12 interactive widgets. Remember every chord shape forever.
Series
Chord Mastery Series
Triads → 7ths → Extended chords. The complete learning path.
Browse
Chords
Scales
Modes

Ready to play?

Start with any chord. Find it in seconds. Play it on the keyboard.

Chord Finder →Start Learning