# Jazz Harmony Lesson 2 — Practicable Music Theory Lsn2

> Practicable Music Theory Lsn2 (iPhone/iPad app by Akihide Hara.)

- Source: https://appshunter.io/ios/app/jazz-harmony-lesson-2/id1189811548 (this page in markdown: same URL + `.md`)
- Developer: [Akihide Hara](https://appshunter.io/developer/964689864)
- Category: Education, Music
- Price: $1.99
- Age rating: 4+
- Requires: iOS 17.5 · 52 MB
- Languages: American English
- Released: 2017-01-17
- Data updated: 2026-05-20
- User reviews in markdown: https://appshunter.io/ios/app/jazz-harmony-lesson-2/id1189811548/reviews.md

## What is Jazz Harmony Lesson 2?

This app provides music lessons with audio topic by topic. Jazz Harmony is basic and advanced “knowledge and know-how” for most contemporary music like Jazz, Rock, Pop, even Film Score with full orchestra and many more. You can utilize each study content immediately on your music activities. Because everything (especially the order of contents to study) on this app is carefully designed to be easily understandable for each current stage in learning. To achieve that, we designed all contents based on processes of musical thinking for actual music productions and performances.

All contents are written and organized by a professional composer working globally over 20 years for films and video-games. Also some patents of music information processing (example : US8492636 B2) were invented by him.


*** Jazz Harmony Edition ***

A goal of Lesson 2:
Getting to be able to make basic chord progressions and put them to melodies.

Topics of Lesson 2:
- Diatonic Chord
- Function
- Substitute Chord
- Cadence

This app supports iPhone 5 and higher.


## Version history (last 5 releases)

### 1.0.8 — 2024-08-23

- This version has been adapted into iOS17.5.
- iPhone15/Plus/Pro/Max have been supported.

### 1.0.7 — 2020-11-05

The UI layout of the main screen was adjusted.

### 1.0.6 — 2020-11-03

iOS14 and iPhone 12 series were supported.

### 1.0.5 — 2020-06-07

-Optimized for iOS13.5.
- Dark mode.

### 1.0.4 — 2019-01-14

- This version has been adapted into iOS12.1.
- iPhone XR and iPhone XS Max have been supported.

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## More apps by Akihide Hara

- [Jazz Harmony Lesson 1](https://appshunter.io/ios/app/jazz-harmony-lesson-1/id1181792328)
- [Jazz Harmony Lesson 3](https://appshunter.io/ios/app/jazz-harmony-lesson-3/id1255512884)

All apps by Akihide Hara: https://appshunter.io/developer/964689864

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-20.*