Free tools. Plain lessons. Patient teaching.
Free music theory tools and lessons that actually get used.
Interactive trainers plus 60+ pedagogy essays for adult learners, students, and teachers. Free forever, ad-supported, no email wall.
The four trainers
Every tool runs in your browser. No signup, no wall.
Circle of Fifths
Click any key to see its scale, relative minor, key signature, and the progressions that come from it.
Ear Trainer
Six exercise modes. Intervals, chord qualities, progressions. Piano, guitar, or violin sample.
Chord Progression Generator
Pick a key, a style, a length. Hear the progression, transpose it, save it, copy the Roman numerals.
Note Identifier
Timed staff-note drills. Treble, bass, alto, or tenor clef. Track your accuracy and your slowest note.
Learn by pillar
Slow and proper. Written for adults.
First essays to read
Music theory
Music theory basics you’ll actually remember
Notes, scales, intervals, chords, keys, time. Eight foundations in plain English with worked examples.
Ear training
Solfege, from do to ti
Movable-do versus fixed-do, Kodaly hand signs, and why singing scale degrees rewires how you hear intervals.
Sheet music
How to read sheet music, from staff to song
Staff, clefs, note names, rhythm, key signatures. Ends with a real 8-bar excerpt worked step by step.
Where to go deeper (partner platforms)
Paid courses we vouch for, if you outgrow the free stuff.
The four platforms below are the only structured-course partners we recommend by name. Links are affiliate (we may earn a commission at no cost to you). Full disclosure at /affiliate-disclosure/.
Musical U
Structured ear-training programme with a real teacher community. Best fit if the ear trainer got you hooked.
Pianote
Adult-learner piano curriculum from Musora. Structured 8-step method, live coach sessions, printable sheet music.
ArtistWorks
Video-exchange lessons with named master teachers. Nathan Cole (violin), Christian McBride (bass), and more.
Yousician
Gamified app with pitch-detection feedback. Best fit for beginners who want a fast, tactile first month.
Some links in this article are affiliate links to Musical U, Pianote, ArtistWorks, Yousician, or Amazon Associates. If you subscribe or buy after clicking, we may earn a small commission at no additional cost to you. Affiliate revenue helps us keep the interactive tools and the essays free. It does not change what we recommend. Full policy at /affiliate-disclosure/.