Sebastian z Felsztyna (1480–1543)
Born 1480 CE, died 1543 CE.
Sebastian z Felsztyna (c. 1480–1490? – after 1543) was a Polish composer and music theorist, regarded as the greatest Polish composer of the early 16th century.
Text from the Wikipedia article Sebastian_z_Felsztyna, licensed CC BY-SA 4.0.