The festival's organisers, Società ATA, received 242 song submissions from music publishers. An advisory commission lead by composer
Carlo Savina and composed of seven journalists narrowed down the list of submissions to thirty-five. ATA then selected twenty-four for the competition. After the shortlist of twenty-four entries was decided, the record label
RCA Records decided to withdraw their participation in protest of the exclusion of a number of submissions from the list meant to be performed by RCA artists, particularly
Dalida,
Alain Barrière,
Riccardo Del Turco,
Louiselle and . This forced the withdrawal of
Little Tony,
Neil Sedaka,
Jimmy Fontana,
Paul Anka,
Gino Paoli and from the competition, along with their respective entries. Among the competing Italian artists were and , who were given the right to participate after winning the 1964 edition of the
Castrocaro Music Festival for newcomer artists. Initially the American singer
Dionne Warwick and the English singer
Julie Rogers were announced among the list of competing foreign artists, set to perform "" and "" respectively, but both withdrew from the competition before rehearsals. Rogers was replaced by
Kiki Dee, while
Dusty Springfield took up "" as her second song in Warwick's absence. == Contest overview ==