"Otan Aggeli Klene", an up-tempo ballad, is a Greek song by Helena Paparizou. It was exclusively impacted on some Greek radios on February 16 and officially released on February 23 as a digital single. The song was written by Amir Aly, Henrik Wikström, Bobby Ljunggren, Sharon Vaughn and the Greek lyrics are written by Yiannis Doxas, giving a special message about solidarity. This song serves as the lead single from her sixth Greek studio album "Ouranio Toxo" which was released on December 15, 2017.