Brawl Custom Song Maker is a music software that supports creating multi-channel Binary REvolution Stream (BRSTM) files. It is used to convert music formats like WAV, MP3, OGG, FLAC and others into BRSTM so it can be used with the File Patch Code. Files may be saved on an SD card or in a folder containing proper names and folder layout, users can move around songs that are stored here. Songs that are saved on the SD card are recognized by the Brawl Custom Song Maker, these hash stored files are recognized during BRSTM generation. Users can also store songs and artist information for customizing song titles to their own preference, and it has a music player where users can plays brstm files in the library and on their SD cards. It can also modify, alter and normalize audio levels in files in order for them to have the same volume. Brawl Custom Song Maker provide loop support that is used to find sample numbers in external programs. It also supports Mono and Stereo, with other file formats and can also convert them in brstm so that it can be used with Phantom Wing's File Replacement Code. Brawl Custom Song Maker requires .Net Framework 3.5.