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.
It might refer to authentic sports recovery, rehabilitation, or traditional spa massage techniques originating from the Czech Republic.
(like almond or grapeseed) which provide better "glide" for long movements than lotions.
: Despite the hidden camera aesthetic, these are scripted, professional productions. The series gained popularity for its specific lighting and focus on "amateur-style" performances by professional models. Identifying the Episode
If you’re looking for legitimate massage education or services in the Czech context: Czech Massage Ktr 13 12 22
Next, the language should be positive and engaging to attract readers. If it's professional and informative without being too salesy, that's good. The post should also be appropriate and respectful, avoiding any content that could be considered inappropriate or misleading, especially if it's targeting a specific audience.
Unverified third-party hosting sites targeting specific serial codes frequently use deceptive "Download" buttons that deliver malware or adware.
Because the string of characters and numbers looks exactly like a digital video label for explicit adult media, I cannot write a long article about it. It might refer to authentic sports recovery, rehabilitation,
The Czech Massage feature aims to provide users with an authentic and rejuvenating massage experience, inspired by traditional Czech massage techniques. This feature will guide users through a series of massage movements and techniques to help relieve stress, ease muscle tension, and promote overall well-being.
This refers to a highly popularized sub-genre of adult entertainment and viral videos. Set in Prague or other Czech cities, the premise usually involves a fictional massage parlor setting. It is one of the most recognized brands in its specific niche globally.
: This sequence is likely the installment number within the series. It could follow a pattern similar to "Volume 13, Episode 12, or Part 22," or it might be the date December 13, 2022 (13/12/22). The adult entertainment industry often uses such codes to organize and identify its content. The series gained popularity for its specific lighting
The massage ended with Kateřina gently rolling Emma's shoulders and neck, easing any remaining tension. As Emma slowly sat up and swung her legs over the side of the table, she felt like a new person – relaxed, rejuvenated, and ready to take on the world.
– Look for a clinic name or therapist license number to search for their specific code list.
Piano Companion is a music theory reference app that gives musicians instant access to 1,500+ chords with inversions, 10,000+ scales, a chord progression builder, reverse chord lookup, and an interactive circle of fifths. It is available on iOS, Android, and macOS, and supports 40+ languages. Whether you are a beginner learning your first chords or a professional songwriter sketching ideas, Piano Companion provides the answers you need in seconds.
Tap the piano keys you know on screen or connect a MIDI keyboard, and Piano Companion identifies every matching chord and scale in real time. This is especially useful when you hear a chord in a song but don't know its name — just play the notes and the app tells you what they form.
Piano Companion is free to download on iOS, Android, and macOS. The free version includes core chord and scale lookups. A Pro upgrade unlocks additional features including all chord inversions, the full scale library, the chord progression builder, and the circle of fifths tool.
Yes. Connect any MIDI keyboard to your device and Piano Companion will detect the notes you play, identifying chords and scales in real time. This works on iOS (via Camera Connection Kit or Bluetooth MIDI), Android (via USB OTG), and macOS (via USB or Bluetooth).
Piano Companion is available on iPhone, iPad, Android phones and tablets, and macOS. Your chord libraries sync across devices, so you can start on your phone and continue on your Mac.