Soundgarden are an internationally successful American alternative rock band, who first appeared from amidst the damp and misty city of Seattle, Washington. Along with Alice in Chains, Mudhoney, Nirvana and the Screaming Trees, they formed what was referred to as the 'Grunge' movement of the early 1990s. The band members are lead vocalist Chris Cornell, guitarist Kim Thayil, bassist Hiro Yamamoto, and drummer Matt Cameron.They produced five studio albums between 1988 and 1996, 'Superunknown' (1994) and 'Down on the Upside' (1995) being the most successful and charting at No.1 and No.2 respectively. The band split in 1997 and Chris Cornell went on to form Audioslave with Tom Morello of Rage Against the Machine. Cornell also concentrated on a number of solo projects. Matt Cameron joined Eddie Vedder and Pearl Jam where he has remained ever since.Soundgarden supported Guns N' Roses on their 1991 tour and played the 1992 Lollapalooza tour with Red Hot Chili Peppers, Pearl Jam and Ministry. They starred in - and contributed to the soundtrack of the Matt Dillon film Singles (1992) along with a host of alternative bands including Smashing Pumpkins. Other notable film soundtracks include Pacific Heights (1990), Wayne's World (1992) and True Romance (1993).In 2010, Soundgarden reformed, although Matt Cameron has also remained with Pearl Jam.