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. hsoda030engsub convert021021 min link
The Chord Progression Builder suggests chords that fit your key. Experiment with patterns, listen back, and find what sounds right. : This indicates that the file includes English subtitles
See notes on the grand staff, fingering for both hands, intervals, degrees, and compatible scales — all in context, not abstract textbook diagrams. 2021). In digital asset management
: This indicates that the file includes English subtitles. This is a critical tag for international viewers, as the original production is in Japanese.
: This is the "maker" or studio prefix. It acts as a brand identifier for a specific series of videos.
: This likely refers to a conversion date or a specific timestamp in the processing of the file (February 10, 2021). In digital asset management, "convert" tags often denote that a high-resolution raw file was processed into a web-friendly format for streaming.
: This indicates that the file includes English subtitles. This is a critical tag for international viewers, as the original production is in Japanese.
: This is the "maker" or studio prefix. It acts as a brand identifier for a specific series of videos.
: This likely refers to a conversion date or a specific timestamp in the processing of the file (February 10, 2021). In digital asset management, "convert" tags often denote that a high-resolution raw file was processed into a web-friendly format for streaming.
Available on every major platform. Start exploring chords and scales today.
