A free program for Android, by HitroLab – Mp3 Audio Editor & Voice Recorder Dev

AudioLab is an audio editor app that can combine multiple audio files into one. You can trim, cut, and mix audio to make the best music, and it supports all kinds of music, including MP3, AAC, OGG, AC3, FLAC, WAV, and more. It also supports editing multiple songs at once, so you can make a full-length album in a matter of minutes.

AudioLab is perfect for musicians, singers, DJs, and musicians. It is a simple and easy-to-use tool that can create a high-quality mix in a few minutes. You can add multiple songs at once and apply different kinds of effects.

You can add effects, like reverb, echo, and so on. It also supports music tag editing, so you can easily edit the music information, like the songwriter, album name, and so on.

It is also a great tool for making songs for your karaoke night. It has a built-in voice changer, which can make your voice sound like a variety of characters.