The SM - StepMania Song File is a Song file format that is used by StepMania. StepMania is a dance pad input game that is built around rhythmic dance moves. This file format contains the song info as well as music and image file references. The file and game are versatile and may be used for pump, beat, dance and guitar songs. SM files are saved in a plain text format with lines that begin with a specific symbol and is immediately followed by a specific tag. Some tag examples would be ARTIST, BACKGROUND, BPMS, etc.