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.
: While critiqued by some as "B-grade" or "soft porn" for its time, the film became a "Super Hit" and the ninth highest-grossing film of 2004.
What starts as a search for emotional solace quickly spirals into a dark web of obsession and betrayal. As Sudhir grows suspicious and hires a private detective, the narrative shifts from a romantic drama into a tense psychological thriller, culminating in a violent confrontation and a "murder" that is not entirely what it seems. The Impact on Bollywood Download - Murder.2004 Hindi -MkvMoviesPoint- ... VERIFIED
: The film is a loose adaptation of the 2002 American film Unfaithful , which itself was inspired by the 1969 French film The Unfaithful Wife . Iconic Soundtrack : While critiqued by some as "B-grade" or
Set against the backdrop of , the story follows Simran (Mallika Sherawat), a lonely housewife who feels neglected by her workaholic husband, Sudhir (Ashmit Patel). Her life takes a dangerous turn when a chance encounter leads to a passionate affair with Sunny (Emraan Hashmi), an old flame from her college days. The Impact on Bollywood : The film is
Released in 2004, the erotic thriller remains one of the most significant and controversial films in Bollywood history. Produced by Mukesh and Mahesh Bhatt’s Vishesh Films and directed by Anurag Basu, the film was a massive commercial success that effectively redefined the limits of mainstream Indian cinema. Plot Summary: A Web of Deceit and Obsession
: The movie catapulted Emraan Hashmi into stardom, earning him the famous "Serial Kisser" moniker. It also established Mallika Sherawat as an overnight sensation and a bold new sex symbol in India.
A major contributor to the film's cult status was its music, composed by . Several tracks became era-defining hits that are still popular today:
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.