Theory Lessons3.2.1

Theory Lessons features 39 music theory lessons from musictheory.net, presented in their original animated versions.

Complete lesson list:

. The Staff, Clefs, and Ledger Lines
. Note Duration
. Measures and Time Signature
. Rest Duration
. Dots and Ties
. Steps and Accidentals

. Simple and Compound Meter
. Odd Meter

. The Major Scale
. The Minor Scales
. Scale Degrees
. Key Signatures
. Key Signature Calculation

. Generic Intervals
. Specific Intervals
. Writing Intervals
. Interval Inversion

. Introduction to Chords
. Triad Inversion
. Seventh Chords
. More Seventh Chords
. Seventh Chord Inversion

. Diatonic Triads
. Roman Numeral Analysis: Triads
. Diatonic Seventh Chords
. Roman Numeral Analysis: Seventh Chords
. Composing with Minor Scales
. Voicing Chords
. Analysis: O Canada

. Nonharmonic Tones
. Phrases and Cadences
. Circle Progressions
. Common Chord Progressions
. Triads in First Inversion
. Triads in Second Inversion
. Analysis: Auld Lang Syne

. Building Neapolitan Chords
. Using Neapolitan Chords
. Analysis: Moonlight Sonata

Version History - Fixes an issue where opening a link to a lesson could fail.
- Updates the app icon used in Dark, Clear, or Tinted modes.
- Fixes an issue where the wrong image would show in "The Staff, Clefs, and Ledger Lines".
- Corrects typographical errors in "The Minor Scales", "Diatonic Seventh Chords", and "Roman Numeral Analysis: Seventh Chords". 3.2.1 Apr 21 - Fixes an issue where audio might not play after watching a video in another app. If you encounter audio issues in this version, please contact us so we can further diagnose. 3.2 05/17/2025 • Improves compatibility with newer devices.
• Fixes an issue with swipe gestures.
• Fixes an audio glitch with certain piano sounds. 3.1.1 01/26/2021 • Adds full support for iPhone X. 3.0.1 11/01/2017 • iOS 11 Compatibility (including support for Smart Invert)
• Updated lesson graphics
• Bug fixes 3.0 10/14/2017 • Updated graphics and tutorial text.
• Bug fixes. 2.5 03/22/2017 • Support for iOS 9 Multitasking
• Support for iOS 9 Universal Links 2.4 09/15/2015 • Fixes an issue where audio would stop playing and the app would hang 2.3.1 08/24/2015 • Audio examples now use high-quality stereo piano sounds. 2.3 08/21/2015 • Fixes a crash on iOS 7 2.2.1 02/11/2015 Note: There is an issue in this version which causes a crash when viewing certain lessons on iOS 7. If you are still running iOS 7, we recommend that you do not update to this version of Theory Lessons. We have submitted a fix to Apple which addresses the crash. We apologize for the inconvenience.

––––––––

• Fixes an issue where "Legal & Privacy" wouldn't show on an iPad running iOS 8
• Fixes a type in "Introduction to Chords" 2.2 02/08/2015 • Optimizations for the iPhone 6 Plus, and iPhone 6, and iPhone 5s
• Optimizations for iOS 8 2.1 10/06/2014 Improved VoiceOver support 2.0.1 01/24/2014 Updated interface for iOS 7 with support for Dynamic Type and a sepia theme. 2.0 09/18/2013 • Fixed crash in Phrases and Cadences and Nonharmonic Tones lessons. 1.3.2 01/07/2013 • Resolved an issue where a previous version of a lesson could be used temporarily after updating from the App Store. This caused some users to experience sound playing issues.

What's new in 1.3:
• Ability to toggle between American and British terminology. 1.3.1 12/21/2012 • Ability to toggle between American and British terminology

Note: if you experience issues with sound after updating, please tap the (i) at the bottom of the table of contents and ensure that your content version is "12.50". Some users have reported that their lessons haven't updated correctly - a fix has already been submitted to Apple to address this. 1.3 12/14/2012 • Fixes issue where lesson text would not appear in iPad landscape orientation (regression introduced in 1.2)

From 1.2:
• Enhanced UI for the new iPhone 5 and iPod touch
• iOS 6 Support 1.2.1 09/26/2012 • Enhanced UI for the new iPhone 5 and iPod touch
• iOS 6 Support

❗iPad users❗: please ignore this update, as it introduces a bug with landscape orientation. A new version (1.2.1) which fixes this was submitted to Apple last week and should hopefully be available soon. 1.2 09/19/2012 • Enhanced graphics for the new iPad's Retina display
• Enhanced iPhone landscape mode
• Fix for a drawing glitch on iOS 5.1
• Content updates 1.1 03/21/2012 • Fixes an issue where sound would not play 1.0.1 02/06/2012 1.0 01/16/2012