Wolfgang Amadeus Mozart · every age

What was Wolfgang Amadeus Mozart doing at 19?

Four violin concertos and a Munich opera success (1775).

Started composing at 5, left 600 works, died at 35

c. 1775
Four violin concertos and a Munich opera success
La finta giardiniera premiered during a Munich stay. Age 19.
Source: en.wikipedia.org

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Portrait: Portrait: Barbara Krafft (1819), public domain, via Wikimedia Commons · source