He grew up in Warsaw , which after 1815 became part of Congress Poland , and there completed his musical education and composed many of his works before leaving Poland , aged 20 , less than a month before the outbreak of the November 1830 Uprising .
A famous child prodigy , he grew up in Warsaw where he completed his music education and composed many of his mature works in before leaving Poland in 1831 at age 21 , shortly before the November 1830 Uprising .