"Evanescent" is the third single by Vamps, released on May 13, 2009. It includes a cover of the 1973 song "Life on Mars?" by David Bowie. The bass on the title track is provided by K.A.Z's former hide

Kazuhito Iwaike, known exclusively by his stage name K.A.Z, is a Japanese musician and songwriter. He is known for his work with Oblivion Dust, hide with Spread Beaver and Vamps.