Time regulates our physical and relationship life, similarly it is at the base of musical expression. It is known how important the time indications are in “musical notations” (trend/proceeding/progress, slow times, fast times, changes of time with all the relative sub-indications) for the interpretation and the executive style of a musical composition. The metronome was also invented, which is a kind of clock, used to measure the time and the rhythmic scansion of a piece of music It isn’t a coincidence that one of the unforgettable events of 2019, THE EXTRAORDINARY CONCERT of the world-renowned great pianist MAURIZIO POLLINI, benefited from the support of ROLEX, which is the excellence in the determination of time.