"Somos El Mundo 25 Por Haiti" was written by the duo Emilio Estefan and Gloria Estefan.  The song was recorded on February 19, 2010 by a group of Spanish speaking artists as a single to raise money for the vicitims of the January 12, 2010 earthquake in Haiti.  "Somos Amor, Somos El Mundo..."

See also:

http://haitiantoday.com/style/saskya-sky-i-e-t-haiti-cherie

http://haitiantoday.com/americas/young-artists-for-haiti-wavin-flag