Claudio Giovanni Antonio Monteverdi (] ; 15 May 1567 (baptized) – 29 November 1643) was an Italian composer, string player and choirmaster. A composer of both secular and sacred music, and a pioneer in the development of opera, he is considered a crucial transitional figure between the Renaissance and the Baroque periods of music history.
Monteverdi died age 77
According to the dates given, Monterverdi died aged 76, not 77. The system probably found it hard to calculate the different between the dates
( z1 die :ARG1 ( z2 person :name ( z3 name :op "Monteverdi" ) ) :age ( z4 temporal-quantity :quant 77 :unit ( z5 year ) ) )