Complex sentence: "Aerials" is a single by System of a Down, released in 2002 from the album "Toxicity", which earned the band its second Grammy nomination for Best Hard Rock Performance in 2003.
Split into simpler sentences: Aerials is a single by the rock band, System of a Down. It was released in 2002 from the album "Toxicity", which earned the band its second Grammy nomination for Best Hard Rock Performance in 2003.