Complex sentence: Since forming in 1999, Crossfade has released two studio albums, they immediately found success with the release of their self-titled debut album in 2004, which is their only release to go platinum in the United States.
Split into simpler sentences: Since forming in 1999, Crossfade has released two studio albums. The band found success with the 2004 release of their self-titled debut album, which is their only release to go platinum in the United States.