Piano Companion is a music theory reference app for songwriters, producers, teachers, and students. Look up any of 1,500+ chords or 10,000+ scales instantly, build progressions, and explore harmony on iOS, Android, and Mac.
Whether you're stuck on a progression, blanking on a scale name, or just exploring — Piano Companion gives you the answer in seconds. Press the keys you know, and it tells you what you're playing.
Search by name or tap the keys you know. Piano Companion identifies what you're playing — even from a MIDI keyboard.
The Chord Progression Builder suggests chords that fit your key. Experiment with patterns, listen back, and find what sounds right.
See notes on the grand staff, fingering for both hands, intervals, degrees, and compatible scales — all in context, not abstract textbook diagrams.
On a spring morning he misplaced the laptop between errands. Panic was a small, sharp thing. He retraced steps, called cafés, cursed under his breath, and finally found a blinking note taped to a bulletin board near the bus stop: “Found: laptop. At the Blue Moon Café.” A stranger had left it with a note and a half-burnt croissant. Tomas went to reclaim it with gratitude and a story about grief and forgetfulness and the way things tie us to people.
Let’s be honest: Intel stopped officially supporting this chip (First generation Core i5 / Westmere architecture) for Windows 10 years ago. However, that does not mean your laptop is dead. In fact, with the right drivers, Windows 10 runs surprisingly well on the i5-540M.
: Go to Power Options and select "High Performance" to ensure your CPU hits its 3.07GHz Turbo Boost frequency when needed.
On a spring morning he misplaced the laptop between errands. Panic was a small, sharp thing. He retraced steps, called cafés, cursed under his breath, and finally found a blinking note taped to a bulletin board near the bus stop: “Found: laptop. At the Blue Moon Café.” A stranger had left it with a note and a half-burnt croissant. Tomas went to reclaim it with gratitude and a story about grief and forgetfulness and the way things tie us to people.
Let’s be honest: Intel stopped officially supporting this chip (First generation Core i5 / Westmere architecture) for Windows 10 years ago. However, that does not mean your laptop is dead. In fact, with the right drivers, Windows 10 runs surprisingly well on the i5-540M. On a spring morning he misplaced the laptop between errands
: Go to Power Options and select "High Performance" to ensure your CPU hits its 3.07GHz Turbo Boost frequency when needed. At the Blue Moon Café
Available on every major platform. Start exploring chords and scales today.
