# THR Session

> Guitar practice tool for manipulating song audio playback and learning by ear. (iPhone/iPad app by Yamaha Corporation.)

- Source: https://appshunter.io/ios/app/thr-session/id485607882 (this page in markdown: same URL + `.md`)
- Developer: [Yamaha Corporation](https://appshunter.io/developer/353469356)
- Category: Music
- Price: Free
- Rating: 2.37/5 from 46 App Store ratings · 88 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 3 MB
- Languages: American English, Japanese
- Released: 2012-03-16
- Data updated: 2026-08-15
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/thr-session/id485607882/reviews.md

## What is THR Session?

Learn songs faster and easier and play along with your music library like never before. THR Session will change your daily guitar practice forever.

You can slow down songs without losing audio quality, change the pitch or repeat any segment of a song to learn even the trickiest guitar part.  It even allows you to cancel out the original guitar sound; it’s like playing a session with your dream band!  This app is the perfect audio toolbox for today’s guitarist and with a Yamaha THR amp, gives you a practice experience like no other. 


■Features
○Guitar Cancellation/Extraction
・Cancellation: Mute the guitar and/or Bass sound from the songs in your iOS device library.
・Extraction: Isolate the guitar and/or bass parts to help you learn songs by ear
・Preset: 3 presets (Guitar High Mode / Guitar Low Mode / Bass Mode) to help you quickly find the instrument you want to cancel.
 
○Audio Play Functions
・A-B Repeat: Repeatedly plays a selected segment of a song.
・Key Transpose: Changes pitch of songs(± one whole step)
・Slow Down: Changes tempo of songs with no effect on the pitch(50-100%)

■System Requirement
Compatible with iOS6.0 or later

## Key features

- Guitar and bass cancellation
- Isolate instrument parts
- A-B repeat function
- Adjust song tempo
- Change song pitch
- Save audio presets

## Recent user reviews (10 of 88)

All indexed reviews: https://appshunter.io/ios/app/thr-session/id485607882/reviews.md

### 3/5 — Update needed

*2025-12-06*

This app use to be great but is now useless. Will Yamaha make an update?

### 1/5 — 動作しない(ios18)

*2025-09-10*

使えない。
サポートもしないのなら、せめてアナウンスくらいしてほしい。
全く身勝手なYAMAHAらしい対応です。
信用ならないメーカーです。

### 3/5 — 雑音

*2025-05-23*

機能はとても良いのですが、雑音が入ります。インストールし直しても改善しません。

### 1/5 — It doesn’t play music anymore

*2024-01-10*

It allows you to choose a song from your Apple playlist but then it doesn’t play back. Probably because the app hasn’t been updated in 7 years.

### 5/5 — Thr10

*2023-09-23*

为什么下载后不能用啊

### 1/5 — 再生できない

*2023-03-30*

Apple musicを取り込めません

### 5/5 — Had this amp for 5 years

*2021-12-30*

Everything works great , I don’t update my phone ever or the app a7x fan

### 5/5 — Load Songs Fix

*2021-11-08*

Could not load songs on iPad Pro iOS 15, messaged Yamaha, very quick response with fix “ You need to allow THR Session in Settings > Privacy > Media and Apple Music” All working fine now.

### 1/5 — Yamaha are you out there?

*2021-05-16*

Can’t load songs into the app so needs a replacement app or update.

### 2/5 — 突然使えなくなった

*2020-11-29*

iOS14.2になったら突然立ち上がらなくなりました

## Frequently asked questions about THR Session

### What is THR Session?

THR Session is a music practice tool designed for guitarists. It allows you to slow down songs, change their pitch, and isolate or mute specific instrument sounds from your music library to aid in learning.

### Can THR Session help me learn guitar parts by ear?

Yes, THR Session features an 'Extraction' function that allows you to isolate guitar and bass parts from songs, making it easier to learn them by ear.

### Does THR Session have ads?

No, THR Session does not contain advertisements.

### What devices is THR Session compatible with?

THR Session is compatible with iPhone and iPod devices running iOS 6.0 or later.

### How often is THR Session updated?

The latest version of THR Session is 1.0.6, and it was last updated on October 2, 2016. It has not received updates since then.

### What is the age rating for THR Session?

THR Session has an age rating of 4+, making it suitable for a wide range of users.

### What is the user rating for THR Session?

THR Session has a user rating of 2.4 stars based on 46 ratings, indicating mixed user satisfaction.

### Can I use THR Session to practice bass guitar?

Yes, THR Session includes a 'Bass Mode' preset that allows you to cancel out or isolate bass guitar sounds from your music library.

## Version history (last 5 releases)

### 1.0.6 — 2016-10-02

This update from Apple will improve the functionality of this app. No new features are included.

Support for iOS10.

### 1.0.5 — 2016-04-08

We fixed the bug that the sound might not come out in iPhone 6s / 6s Plus.

### 1.0.4 — 2014-10-31

Updated for iOS8

### 1.0.3 — 2012-04-09

- Fixed minor bugs

### 1.0.2 — 2012-03-30

- Fixed Auto-lock related issues

## More apps by Yamaha Corporation

- [AV CONTROLLER](https://appshunter.io/ios/app/av-controller/id418512183)
- [Piano Diary](https://appshunter.io/ios/app/piano-diary/id449809658)
- [MGP Editor](https://appshunter.io/ios/app/mgp-editor/id493162164)
- [Song Beats](https://appshunter.io/ios/app/song-beats/id546319014)
- [MusicSoft Manager](https://appshunter.io/ios/app/musicsoft-manager/id569009639)

All apps by Yamaha Corporation: https://appshunter.io/developer/353469356

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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 2026-08-15.*