SSI, or Sound Spectrum International, was founded in the late 1970s by music producer and entrepreneur John Smith. Initially focused on electronic and experimental music, SSI gained prominence in the 1980s as it expanded its catalog to include genres such as synth-pop, new wave, and ambient music. The label became a platform for innovative artists, notably featuring influential acts like The Synth Collective and Ambient Dreamers, who helped shape the sound of the era. Throughout the 1990s and early 2000s, SSI diversified its roster by incorporating indie rock and alternative artists, further solidifying its reputation as a key player in the independent music scene. The label's commitment to artistic freedom attracted a devoted following, and its releases often received critical acclaim. Today, SSI is recognized for its contributions to the evolution of electronic music and its role in promoting underground artists, leaving a lasting legacy in the music industry.