Complex sentence: In 2002, they contributed to "Sucking the 70s", a stoner metal various artist tribute to bands from the 1970's with a stoner version of the song "Vehicle" from the American band The Ides of March.
Split into simpler sentences: In 2002, they contributed to "Sucking the 70s", a stoner metal various artist tribute to artists from the 1970s. They recorded a stoner version of the song "Vehicle" from the American band The Ides of March.