This Colombian duo was formed by brothers Alejandro (Cali) and Mauricio Rengifo (El Dandee), born in Cali in 1988 and 1993, respectively. Boasting a blend of hip-hop, pop, dance, and reggaeton that they like to call "Flybot," the brothers scored their first hit in Colombia with "Volver," later included on their 2010 debut album. International recognition came in 2011, when their singles (and corresponding YouTube videos) "Yo Te Esperaré" and "No Hay Dos Sin Tres" achieved massive success in Spain -- the latter even became the Spanish national team's theme song for the 2012 Eur...