Intervals
Melodic and harmonic distance, from unison through the octave.
EAR TRAINING THAT LISTENS BACK
The skill is
in your ears.
Guided ear training you can answer aloud—across intervals, pitch, chords, rhythm, and melody. Learn the idea, hear it clearly, then practice until it becomes instinct.
- Answer aloud
- 15 instrument sounds
- No account required
One email when Fasola is ready—plus occasional Pro news. No advertising.
Web beta available now · Mobile apps launching soon
REAL APP · BUILT FOR LISTENING
GUIDEDlesson to practice
SPOKENanswers and commands
15instrument sounds
LOCALpractice by default
BUILT AROUND THE ACT OF LISTENING
Train the signal.
Not the screen.
Every lesson starts with sound and returns you to it—so theory becomes a musical instinct, not just a label you recognize.
HANDS-FREE WHEN YOU WANT IT
Look less.
Listen more.
In supported sessions, name what you hear and control practice with natural commands. Every voice interaction also has an on-screen alternative.
- 01HearA focused musical example.
- 02AnswerSpeak or use the screen.
- 03PracticeRevisit what matters.
INTERACTIVE PREVIEWA hands-free interval answer
FASOLASay the interval name.
SOUND♪ C → F
YOUPerfect fourth.
FASOLACorrect. Perfect fourth.
- Replay
- Help
- Slower
- Pause
- Stop
Authentic Fasola piano audio and ElevenLabs narration. The website preview does not activate your microphone.
ONE CONNECTED CURRICULUM
From first recognition
to musical fluency.
Lessons flow into focused practice, so each idea becomes something you can actually hear and use.
Pitch & function
Scale degrees, tonal pull, modes, and live pitch production.
Chords & harmony
Triads, inversions, seventh chords, cadences, and progressions.
Rhythm
Pulse, subdivisions, rests, ties, triplets, syncopation, and meter.
Melody
Short phrases answered with scale degrees or movable-do solfège.
Daily workout
A balanced session that keeps core listening skills in rotation.
LIGHT, DARK, OR SYSTEM
At home in
any light.
Choose a focused light workspace, settle into dark mode, or let Fasola follow your device. Both app themes are shown here regardless of your current system setting.
LightDarkSystem
PRACTICE IN A SOUND YOU KNOW
Fifteen instruments.
Purposeful voicings.
Fasola uses clear practice registers and voicings designed for each sound—not one generic arrangement with a different label.
LightDarkSystem
Bass
Focused lines with independently voiced harmony.
Guitars & harp
Instrument-aware chord shapes and natural attacks.
Winds & brass
Independent players keep harmony clear and believable.
Strings
Solo colors and section voicings for harmonic work.
COMPARE THE SAME MUSICAL IDEA
Hear every instrument.
Choose an example, then select any sound. Audio loads only when you press play.
Ready — Ascending perfect fourth
Authentic audio from Fasola practice exercises. Only one sample plays at a time.
PRIVATE BY DEFAULT
Your practice
stays yours.
Fasola works without an account, advertising, cloud progress sync, or general-purpose behavioral analytics. Optional sign-in can carry Pro access between supported devices, while practice history stays on your device and pitch samples are not intentionally retained or uploaded by Fasola.
Read the privacy noticeSTART WITH THE FOUNDATION
Learn for free.
Go further with Pro.
FASOLA FREE
Foundation
Free
- Core interval practice
- Guided fundamentals
- Voice answers and hands-free practice
- Narration in seven languages
- Grand piano sound
FASOLA PRO
The full curriculum
At launch
- Developing and Advanced curriculum
- Personalized mixed workouts
- Detailed performance analytics
- Fourteen additional instrument packs
Localized store pricing will be shown in the app when Fasola launches.
Get launch updatesBE FIRST TO HEAR
Build a better ear.
Start with sound.
Fasola is preparing for its public store launch. Join the list and we’ll tell you when it is ready.
One email when Fasola is ready—plus occasional Pro news. No advertising.