The group Soundgarden is an American rock band that formed out of popular Seattle grunge movement in the 1980s. The grunge group, which was formed under the supervision of lead singer Chris Cornell, in 1984, was instrumental in establishing the grunge movement of the time period and helped make Seattle the capital of this unique style of rock music.
Soundgarden not only helped establish grunge music but also helped bring this style of music to commercial success as they were the first grunge band to ever sign to a major label. Along with bands like Nirvana and Pearl Jam, Soundgarden helped establish grunge music as one of the most popular types of music of the 1990s. The band has sold an estimated 9 million records in the United States and an estimated 21 million records worldwide in their career thus far.