# tc.audio:Music Practice Player

> Slow down music, change key, and repeat hard parts easily

Canonical page: [https://chrome-stats.com/d/com.toughcookie.tcaudio](https://chrome-stats.com/d/com.toughcookie.tcaudio)

## Overview

- **ID:** `com.toughcookie.tcaudio`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** {toughcookie}
- **Category:** MUSIC\_AND\_AUDIO
- **Downloads:** 485,720
- **Rating:** 3.84 / 5 (2,659 ratings)
- **Version:** 1.4.1
- **Last updated:** 2026-04-22
- **First published:** 2016-02-26
- **Publisher country:** KR
- **Size:** 13 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.toughcookie.tcaudio)
- **Website:** [https://pro9rammer.github.io](https://pro9rammer.github.io/)
- **Privacy policy:** [https://toughcookielab.blogspot.com/p/tcaudio-privacy.html](https://toughcookielab.blogspot.com/p/tcaudio-privacy.html)

## Description

tc.audio is a versatile Chrome extension designed for audio playback customization. It allows users to control playback speed and pitch, enabling precise tempo changes and pitch transposition by semitones. The extension supports AB repeat playback for looping specific audio segments, shuffle play for random listening, and includes a bass boost feature to enhance sound quality.

Users can browse audio files through a folder browser, create and manage favorite playlists with tag files, and perform file searches for quick access. tc.audio is ideal for musicians learning songs, language learners studying scripts or foreign languages, and anyone seeking advanced audio playback control features in their browser.

## Rankings

- #101,529 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.BROADCAST_CLOSE_SYSTEM_DIALOGS`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK`
- `android.permission.INTERACT_ACROSS_USERS_FULL`
- `android.permission.INTERNET`
- `android.permission.KILL_BACKGROUND_PROCESSES`
- `android.permission.MODIFY_AUDIO_SETTINGS`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_MEDIA_AUDIO`
- `android.permission.READ_PHONE_STATE`
- `android.permission.SCHEDULE_EXACT_ALARM`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_SETTINGS`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.toughcookie.tcaudio.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

Pros: lightweight, reliable playback and musician-friendly features for learning. Cons: update-driven UX problems, instability, and save/locate issues with edited or downloaded tracks. Overall, tc.audio is a solid practice tool when it runs smoothly, but update quality and navigation UX are key concerns.

### Pros

- Lightweight and fast with a simple, easy-to-navigate interface.
- Long-time reliability; used for years and generally trusted for playback.
- Musician-focused features like A-B looping and tempo/speed controls that aid learning parts and practicing.

### Cons

- Update/UI changes reduce usability; many users prefer the old layout and some want a rollback.
- Stability issues for some users, including crashes/force closes and playlist data loss after updates.
- Difficulty saving or locating edited/downloaded tracks; unclear where saved and how changes are stored.

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.toughcookie.tcaudio)