Physical Address

304 North Cardinal St.
Dorchester Center, MA 02124

Music Theory Companion For PC [Free Download On Windows 7, 8, 10, Mac]

Rate this post

The Music Theory Companion is an online resource that provides comprehensive information on music theory. It covers all aspects of music theory, from the basics to more advanced topics. The Music Theory Companion is written by Dr. James Hepokoski, a music theorist and professor at the University of Virginia.

The Music Theory Companion is an excellent resource for students of music theory, as well as for professional musicians. It contains clear and concise explanations of all the important concepts, as well as plenty of examples and exercises. The Music Theory Companion is also regularly updated, so it always includes the latest information and research.

Dr. James Hepokoski is a highly respected authority on music theory, and his website is the go-to source

The latest Music Theory Companion for PC has come up with a few updates that are better than the previous version. Want to know those? Here are they:

Music Theory Companion Andorid App Summary

PG App Studio has developed the Music Theory Companion for Android. You can find it under the Music & Audio category on Play Store. Since its inception, Music Theory Companion has got over 242218+ users on board. For the user rating, it is currently holding a 4.5 rating and the latest version of it is 2.6.8

The latest update of Music Theory Companion is Aug 16, 2022 for phones. You can’t use it on your PC directly. So, you have to use an Android emulator like BlueStacks Emulator, Memu Emulator, Nox Player Emulator, etc.

No worries, we will discuss the methods to run it on your computer using the emulators whether you use a PC or Mac. Follow the methods we’ve discussed below.

Music Theory Companion App Overview and Details

Music theory is very important while composing any song. This music theory helper app is for all the musicians who are interested in studying scales, chords, alternative chords, circle of fifths, voice leading, modulations or key change etc. and apply them in their compositions. Music Theory Companion is a quick reference for scales and chords useful for the musicians and composers for finding out new innovative chord progressions while songwriting. This is also a guitar chords app which is very useful for learning guitar chords.

Please, contact us if you find any problems with the app, or you want to suggest any new features or simply want to give us some feedback!


✅ Scales & Chords → 86 unique heptatonic scales/modes and their diatonic triads/seventh-chords formation
✅ Matching Chords → Shows alternate chords that can be played for any note of any scale
✅ Matching Scales → Shows all possible alternative scales those can be played with any scale
✅ Circle of Fifths (or Circle of Fourths) → For all the scales
✅ Cube Dance → Guide to voice leading based on the Neo-Riemannian theory
✅ Intervals → Ear training of intervals for all keys
✅ Chord Library → Chord library with 1000+ chords and also shows chord construction
✅ Modulations → Different chord progression options to smooth key change
✅ Scale Practice → Pitch detector to practice all the scales with guitar, piano or vocal
✅ Metronome → With perfect timing and different configurable sounds
✅ Piano → A very realistic piano keyboard with different instrument sounds
✅ Symbols → Quick online handy reference for musical symbols
✅ Reference → Huge collection of online music theory reference
✅ Left-handed & right-handed realistic guitar fretboard
✅ Supports both sharp (#) and flat (b) notes for root
✅ Supports Clockwise and anticlockwise directions for circle of fifths
✅ Option to show both triads and 7th chords in circle of fifths
✅ Play guitar chords or piano chords in sync with the metronome ticks


This app can be used for following purposes:

✅ Music Composing → This app can be used by the music composers. It can help finding out basic and advanced chords that can be applied on any scale or mode.
✅ Music Theory study → This music theory app can be used to study scales and chords for almost all available heptatonic scales and modes. This app contains many music theories articles and it can be used as a music theory free book.
✅ Circle of Fifths → The Circle of fifths for all the scales and modes with triad and seventh chords. This is the most used musical tool.
✅ Chord Finder → All possible chords for all the available scales and modes can be found.
✅ Chord Progressions → Using the Circle of Fifths tool, chord progressions can be derived for the available scales and modes.
✅ Modulation or Key Change → Different options for key change can be found using the Modulations tool.
✅ Voice Leading → Using the Cube Dance tool, different voice leading options can be tried.
✅ Guitar Chords / Piano Chords → All available chords are shown in guitar fretboard and piano keyboard.
✅ A Vocal Training app for vocal training for singers using the Scale Practice tool.
✅ Ear training for the musicians using the Intervals tool. Ear tuning is as important as learning scales or chords.
✅ Scales and Chords → Wide list of scales for guitar, piano and vocal are available in this app.
✅ Metronome beats for guitar, Drum set, Piano, vocal practices. The metronome in this app is very accurate in maintaining timing.

This is a piano chords learning app and piano chord finder to help you learn scales, learn music theory and guitar chords. It has a metronome tool too that eliminates need for any other metronome app for your practice.


Please join:

Features of Music Theory Companion for PC

major and minor keys in the circle of fifths

Install “Music Theory Companion” on PC: Windows 10/8/7 & Mac

Installing Music Theory Companion on your PC won’t seem a big deal as it’s now, but only if you use NOX app player on your computer. It’s one of the most popular Android emulators you can use today. Let’s get you through the process of how to install Music Theory Companion on your PC using NOX:

  • First off, you need to download the NOX player on your computer from here and install it by double clicking the installer.
  • The installation will take a few minutes depending on how fast your PC is. Then, click on launch and run the emulator.
  • Inside the emulator, you can see the Google Play store icon on the top right corner area. Click on it.
  • Play store will ask you to log into your account. Here, use your Google email and password to log in.
  • Then, you can see the play store interface. On the search bar, you need to type Music Theory Companion and hit enter to search for it.
  • Once the results come up, you can see the Music Theory Companion as the first result. Hit install under this result and it will download and install on your PC.
  • After installation, you can launch the app from the shortcut button or directly from the Play store form the Open button.
Music Theory Companion App Specification
App Name: Music Theory Companion On Your PC
Devoloper Name: PG App Studio
Latest Version: 2.6.8
Android Version: 6.0
Supporting OS: Windows,7,8,10 & Mac (32 Bit, 64 Bit)
Package Name:
Download: 242218+
Category: Music & Audio
Updated on: Aug 16, 2022
Get it On:


Whats New In this Music Theory Companion?

— Help is improved
— Fixed few bugs


This Music Theory Companion application is an excellent tool for students of all levels of music theory. It is easy to use and provides all the information needed to improve understanding and comprehension of music theory concepts. The lessons are well organized and the exercises are helpful in reinforcing learning. I highly recommend this application for anyone interested in learning or improving their music theory skills.

So, did you find the guide on how to download the Music Theory Companion for PC above? If you did, or if you have any questions regarding it, do comment and let us know. We’re here to help.


We refer the ownership of This Music Theory Companion to its creator/developer. We don’t own or affiliate for Music Theory Companion and/or any part of it, including its trademarks, images, and other elements.

Here at nysga, we also don’t use our own server to download the Music Theory Companion. We refer to the official server, store, or website to help our visitors to download the Music Theory Companion.

If you have any query about the app or about nysga, we’re here to help you out. Just head over to our contact page and talk your heart to us. We’ll get back to you ASAP.

What’s your Reaction?