Release date: November 2010
Cardiology is the fifth studio album by pop punk band Good Charlotte released on November 2, 2010 through Capitol Records.
On the week of its release, the album debuted at #3 on the Australian albums chart, #22 on the Japanese albums chart, #18 on the New Zealand albums chart and #63 on the UK albums chart. It also debuted on the Billboard 200 at #31 as well as 4 other Billboard charts including the Alternative Albums chart at #6, the Rock Albums chart at #7, the Digital Albums chart at #13, and the European Albums chart at #65. However, the album suffered a major fall in its 2nd week on the Billboard 200, dropping from #31 to #125. It lasted for only a short two weeks before it retired.
The first single off the album is "Like It's Her Birthday" which was officially released on August 24, 2010. After the band posted the song online August 5, 2010, they wrote on their website that if the YouTube video of the song receives more than 100,000 views, they will post another song from the album. The video reached 100,000 views on August 15, 2010 and the band released "Counting the Days" as a video on their YouTube channel and announced that it will be the second single from the album. "Like It's Her Birthday" debuted on the ARIA Digital Track Chart at #40 on August 30, 2010 and has peaked at #7 on the ARIA Charts.
In January 2011 Good Charlotte released "Last Night" as the new single for North America and Europe. It was released on March 07, 2011 on U.S. radio.