Nine Types of Light is the fourth studio album by American art rock band TV on the Radio, released on April 11, 2011 through Interscope Records. The album's lead single "Will Do" was released on February 23, 2011. Its closing track, "Caffeinated Consciousness", was made available on the band's website as a free download on March 10, 2011. Nine Types of Light was very well received by critics and has a "Universal Acclaim" rating of 82 at review aggregating website Metacritic. It is the final TV on the Radio album to feature bassist Gerard Smith, who died of lung cancer nine days after it was released.