Question: at age 17 became a court musician in salzburg austria
Answer: Wolfgang Amadeus Mozart ( / ˈwʊlfɡæŋ æməˈdeɪəs ˈmoʊtsɑːrt / MOHT - sart ; German : ( ˈvɔlfɡaŋ amaˈdeːʊs ˈmoːtsaʁt ) ; 27 January 1756 -- 5 December 1791 ) , baptised as Johannes Chrysostomus Wolfgangus Theophilus Mozart , was a prolific and influential composer of the Classical era .