"Right Where I Belong", Madden said; "No matter what happens or what I experience, God and music are always waiting for me with open arms. This song says just that." Release In May and June, Good Charlotte went on the Bamboozle Road Show 2010 tour. On July 22 that year, the group announced it had signed to Capitol Records and would release Cardiology in October. Following this, Good Charlotte performed at Sonisphere Festival and supported Pink on her European tour. The band posted "Like It's Her Birthday" online on August 5 and the same day announced on its website another song from the album would be posted if the YouTube video of "Like It's Her Birthday" received more than 100,000 views. The target was reached on August 15 and the band released a video for "Counting the Days". "Like It's Her Birthday" was released as a single on August 20. On September 16, 2010, the album's artwork, which was created by Daniel Martin Diaz, was revealed. Benji Madden, who was a fan of Diaz's work, invited him to create the artwork for Cardiology. Diaz accepted the offer after hearing the band's material. A lyric video was released for "Like It's Her Birthday" on September 27, which was followed by the song's music video a day later. The video was directed by Josh Forbes and depicts the band on a night out.Cardiology was made available for streaming on October 26, 2010, on the group's Myspace profile, before being released on November 2 in the U.S. through Capitol Records. It was released in Japan on October 27 and in the UK on November 1. A Like It's Her Birthday remix EP was released on November 12. "Sex on the Radio" was released as a single on January 31, 2011. The group headlined the Kerrang! Tour in the UK in February. "Last Night" was released as a radio single to top-40 stations in the U.S. on February 22. In March that year, Good Charlotte toured North America with This Century and Forever the Sickest Kids. A music video was released for "Last Night" on March 20; it was made in collaboration with Funny or Die and features a recreated set of the U.S. television game show Family Double Dare. The band incorporated footage of the show's former host Marc Summers into the clip and manipulated it to show him miming the song's lyrics.