Announcing Tenuto 2. Get an early look at what's coming in Tenuto, and sign up for the public beta.

Explore the foundations of music with our mobile apps:

Theory Lessons
for iPhone, iPad, and iPod touch
On-the-go mobile access to the lessons.
Tenuto
for iPhone, iPad, and iPod touch
On-the-go mobile access to the exercises and calculators.

You can also access all of our content online, freely available:

Lessons

Explore the fundamentals of music in animated lessons.

Exercises

Create custom exercises to improve your musical recognition.

Tools

Use interactive tools to calculate notes, intervals, and chords in a specific key.