State of the Art is the eighth studio album of South Koreanboy bandShinhwa. It was released on 11 May 2006 by Good Entertainment. A Special Edition was also released, containing bonus remix tracks of "Throw My Fist" and "Midnight Girl" and a DVD with behind-the-scene footages. The album was released in Taiwan on 5 October 2006 by Universal Music Taiwan in two versions, including one with a bonus DVD.
The music video for "Once in a Lifetime", was directed by Cho Soo-hyun, who also directed the music video for Psy's "Gangnam Style" and "Gentleman"; and also the music video for "This Love" from Shinhwa's The Classic album in 2013.
The album did not chart till July with 161,452 copies sold and total sales of 215,641 copies in South Korea The first lead single Once in a Lifetime charted at #1 on Hottracks Sales Chart and the second lead track, Throw My Fist debuted at #1 .