In 1964, he made his debut at the Festival of Naples with the song "Doce e' 'o silenzio" ("Sweet is the silence"), coupled with Elsa Quarta. The next year will be the time to "T'aspetto a maggio" ("wait for you in May") with Achille Togliani and Tu stasera si pusilleco ("You will tonight Pusilleco") with Enzo Del Forno. In 1966 he continued his participation in the Festival of Naples with the songs and "Femmene e tamorre" and "Ciento catene" ("one hundred chains"), in 1967 "Allegretto ma non-troppo" ("happy but not too"), in 1968 "Cchiu' forte" ("stronger") and "Comm'a 'nu Sciummo" ("like a river") in 1969 with " 'O masto" ("the master"), "ciente appuntamente" ("hundred appointments") (which he wrote the music) and "Abbracciame" ("hug") and in 1970 with " 'Nnammurato 'e te!" ("in love with you") and "Chitarra rossa" ("Guitar red"). After the interruption of the Festival in 1971, it will be taken thirty years later, in 2001. In this latest edition Merola and his son Francesco, will perform with the song "L'urdemo emigrante" ("the last emigrant"), coming to a total of eight investments.