The app allows you to convert your mp3 songs into instrumental version in real-time for Karaoke. It's a good tool to help you practice singing and make music.
It is a music speed changer as well - you can slow down song speed for easy practice.

Tutorial
• Select a song to play.
• Press the "Mic with wire" button to sing. The app will mix your vocals with the song, and then output them to your audio output device.
• Press the "Record" button to record your mix, you can sing and record the specific part of a song that you like.

Features
• Enjoy singing with or without the original vocal.
• Works offline.
• Mix your vocals with the original music and output them in real time, you can also record them.
• Reverb effect.
• Stereo accompaniment.
• Adjust vocal reduction strength.
• Change music speed (pitch and tempo).
• Great for making Nightcore or Fast Music creations.
• Support multiple audio formats (MP3, M4A, AAC, FLAC, WAV).
• 200-bands classic Spectrum visualizer.

Note
• Please use either earbuds or headphones for the best recording experience.
• Vocal removal works for most audio files, but if the vocal in audio files is not panned in the center, the vocal removal may not work as expected.