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.
The YG (Young Genius) File is an elite compilation of highly challenging problems designed specifically for students aiming for a top 100 rank in the IIT-JEE (now JEE Advanced). Unlike standard textbook problems, the YG File focuses on:
Yes, the foundational problem‑solving skills required for JEE have not changed dramatically. The YG file’s emphasis on conceptual depth and analytical thinking remains highly valuable. However, you should also practice problems that match the current JEE pattern (which includes more numerical and application‑based questions).
Provide a list of for comparison.
The YG file proved invaluable during the final weeks before the JEE. As one student who secured noted: “When I felt a topic to be weak, I immediately worked out YG‑File material problems & felt satisfied. For paper practice, I did only STS’s. With the help of this, I could get State Rank – 2 and AIR – 76 in AIEEE.”
Brilliant Tutorials distributed the YG file as a included in the ELITE correspondence course packages. In the early‑to‑mid‑2000s, digital distribution was not the norm. While some later courses (such as those for JEE 2023) did offer the YG file as a physical dispatch — “YG File, 2023 Part I & II (Problems & Solutions)” — there was no widespread official release of free PDF versions. brilliant tutorials yg file pdf link
One autumn day, a woman appeared at the library’s community board and pinned a small poster: "Brilliant Tutorials — YG Collective: Sharing small lessons to make the city kinder. Pop-up workshop, Saturday, 5 PM, Rooftop Garden, 4th & Marlow." Mina's heart did a quick, ridiculous flip.
Each file usually contains 30 to 50 highly challenging questions per topic, followed by a separate answer key and detailed explanations. How to Safely Find and Use PDF Download Links The YG (Young Genius) File is an elite
Many students share study resources in Telegram groups or educational forums. Searching for "Brilliant Tutorials YG file Telegram" or similar keywords can lead to shared resources. 3. Online Educational Platforms
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.
