English version of "¿Quién será?" adapted by Norman Gimbel

original song composed by Luis Demetrio and Pablo Beltrán Ruiz, lyrics by Pablo Beltrán Ruiz

translated song; Italian version of "¿Quién será?", lyrics adapted by Enzo Luigi Poletto and Giacomo Mario Gili

translated song; Icelandic-language version of "¿Quién será?", lyrics adapted by Þorsteinn Sveinsson

translated song; French-language version of "Quien sera", lyrics adapted by Patxi