Gravity was "Somewhere Out There", released on April 5, 2002. Four versions of the single were released. In the United States and Canada (SAMPCS11757), a one-track promotional CD was sent to radio stations only. In Australia and Europe, where the single was commercially released respectively on September 9 and 16, 2002 (Columbia 672965 2), three live bonus tracks, "Starseed", "Whatever", and "4 AM" were included. They were recorded in June 2001 in Syracuse, New York during the Spiritual Machines tour. "4 AM" is sung entirely by the audience. The fourth version (Columbia 79943) contains the live version of "Bring Back the Sun". "Somewhere Out There" became one of Our Lady Peace's most successful singles, generating the most chart activity of any of their songs released to radio. The song reached #7 on the U.S. Modern Rock Tracks chart, their highest on that chart since "Clumsy" in 1998. The song also became their second number one in the Canadian Singles Chart peaking at number one and becoming a massive success in Canada. The second single, "Innocent", was released to radio during August 2002. It was commercially released in Europe and Australia with the live tracks "Naveed", "4 AM" and a live cover of John Lennon's "Imagine" as well as the music video for "Innocent". Innocent was also a massive hit in Canada as well peaking at number 2 in the Canadian Singles Chart. The live tracks from this single and "Somewhere out There" were included on the limited edition releases of Gravity. While not as successful as the first single, "Innocent" achieved minor success with its music video. The song received some attention in 2008 when American Idol contestant David Cook, who revealed himself to be a huge OLP fan, sang it on the show. Raine Maida and he have since written together. The third and final single, "Made of Steel", was released only to radio on January 11, 2003. It made no appearance on any charts. The band discussed the release of more singles from the album such as the popular "Not Enough" but single releases after "Made of Steel" were supplanted by those from the 2003 Live album, which included a live version of "Not Enough". Tour Our Lady Peace embarked on one of their biggest tours in support of Gravity a month before the album's release. For most of the tour, Mike Eisenstein of the band Letters to