The link you followed will bring you to this page:

https://www.vivaticket.it/ita/event/nord-sud-musica-danza/122779?qubsq=e9d00525-579a-4210-a0c0-4475f460e714&qubsp=1c0988c9-909d-4a1e-a92e-3b9b3f927cd6&qubsts=1554481950&qubsc=bestunion&qubse=vivaticketserver&qubsrt=Safetynet&qubsh=e7ffae7b36205c4e78f31c253c95cc55