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.
In the Series 1 finale of "Pandora's Box," the investigation of a man’s violent death on a bus uncovers a web of eco-terrorism and government secrets. Critics and audiences generally consider this a high-stakes, gripping conclusion that shifts the show’s tone toward a grittier, more intense drama. Plot & Investigation Highlights The Incident:
Most penultimate episodes end on a cliffhanger—a gunshot, a car crash, a revelation screamed over swelling music. Patience Episode 6 ends on a whisper. Patience Series 1 - Episode 6
: The primary villain is revealed to be Superintendent Zara Blackwood . Motivated by jealousy and revenge, she stole anthrax from an evidence room and sent it to Tyler in vape cartridges. In the Series 1 finale of "Pandora's Box,"
The episode opens not with dialogue, but with a diegetic soundscape: the rhythmic ticking of a courtroom clock, the shuffle of papers, and the muffled rain against stained glass windows. We are in the waiting room of the Old Bailey. It is 7:52 AM. The jury in the "Wharfinger Killings" trial has been deliberating for thirty-seven hours. Cold open: Close-up of a wristwatch ticking; Mira
If you can provide a brief summary or context, I’d be happy to write a full, well-structured article for you — including plot discussion, character development, themes, and key moments from Episode 6 of Season 1.
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.
Available on every major platform. Start exploring chords and scales today.
