lyrics Io October 23, 2012 contents info top bottom pdf epub Io lyrics · October 23, 2012 Track 8 of the album "Invocation", released October 23, 2012. Dedalus, Invocation, instrumental, music Io is the most volcanically active world in the solar system, featuring over 400 active volcanoes. #Dedalus #Invocation #instrumental #music