What is an APO address or an FPO address? APO stands for Army Post Office, and is associated with Army or Air Force installations. FPO stands for Fleet Post Office, and is associated with Navy installations and ships. What does APO mean? APO stands for Army Post Office.
 Two Hearts Beat as One  is a song by rock band U2. It is the seventh track on their 1983 album, War, and was released as that albumâs second single in the US, UK and Australia.
 Heart Attack  is a song by American singer Demi Lovato. The song was released on February 24, 2013, as the lead single from her fourth studio album, Demi (2013).The song was produced by Mitch Allan and Jason Evigan of The Suspex, who co-wrote the song along with Lovato, Sean Douglas, Nikki Williams, and Aaron Phillips.eart Attack is an electropop song, with a length of three minutes and thirty seconds. The song is composed in the key of F minor and features a moderate tempo of 92 beats per minute. Lovato's vocal range spans from the low note of F 3 to a high note of G#5.