TubeMate YouTube Downloader - This post explains about 'Convert' configuration. First, you need to enable MP3 Video Converter (requires an additional app installed from play store) for download audio (AAC/MP3) and video
tubemate converter - 9Apps
The Best Alternative to TubeMate MP3 Converter
Step-by-Step Guide on How to Free Download and Install TubeMate for PC
TubeMate YouTube Downloader for Android - Download the APK from Uptodown
TUBEMATE, MP3 CONVERTER,MY MP3 by OFFLINE MUSIC PLAYER