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.
) and navigating to the Ulead VideoStudio folder to look for values named "Serial Number" or "SerialNumber". Official Account/Email
: Check the back of the CD sleeve or the manual if you have the physical disc.
The trial version is not full-featured and excludes certain high-definition formats and technical support. JustAnswer Ulead VideoStudio 11 Key Features
Finding a valid is a common challenge for users of this classic video editing software. While the program was a pioneer in consumer-level HD editing, its age and the transition of ownership from Ulead Systems to Corel have made legitimate activation more complex than it used to be. Legitimate Ways to Find Your Activation Code
If you have lost your original code, you can try the following official methods to recover it: Check the Windows Registry
VideoStudio 11 was designed to simplify the complex task of video production through several innovative tools: Ulead VideoStudio 11 Plus Video Editing Software Review
) and navigating to the Ulead VideoStudio folder to look for values named "Serial Number" or "SerialNumber". Official Account/Email
: Check the back of the CD sleeve or the manual if you have the physical disc. Ulead Video Studio 11 Activation Code
The trial version is not full-featured and excludes certain high-definition formats and technical support. JustAnswer Ulead VideoStudio 11 Key Features ) and navigating to the Ulead VideoStudio folder
Finding a valid is a common challenge for users of this classic video editing software. While the program was a pioneer in consumer-level HD editing, its age and the transition of ownership from Ulead Systems to Corel have made legitimate activation more complex than it used to be. Legitimate Ways to Find Your Activation Code JustAnswer Ulead VideoStudio 11 Key Features Finding a
If you have lost your original code, you can try the following official methods to recover it: Check the Windows Registry
VideoStudio 11 was designed to simplify the complex task of video production through several innovative tools: Ulead VideoStudio 11 Plus Video Editing Software Review