In 2008 he opened the restaurant-museum in Naples "Felicissima Sera (Happy evening)", named after the myth of Mario Merola. The venue accompanied by photos, objects, records, posters, costumes, letters, covers and newspaper headlines of the singer, was born thanks to the children of Roberto and Francesco, Mimmo and Valentino Manna and with the collaboration of the design Nadia Wanderlingh. Among the photos that portray Merola there are those with Diego Armando Maradona, Mike Bongiorno, Franco Franchi, Ornella Muti, Johnny Dorelli, Vittorio Gassman and Adriano Celentano. In the room there is also a letter written by Eduardo De Filippo to Merola dated October 29, 1976.