BeatBox is a MP3 & Audio software developed by Joe Smith. After our trial and test, the software is proved to be official, secure and free. Here is the official description for BeatBox:

Marydown Editor: BeatBox is a Java application in which users use a 16x16 grid of checkboxes to create a beat with various percussion instruments. Beats can be saved and loaded easily. The entire application is as intuitive and user-friendly as possible.