Canboulay riots
The chantwell became a calypsonian in the 1920s and calypso became widely popular throughout Trinidad and the Caribbean in the 1930s. Harry Belafonte, a Jamaican-born artist, became hugely successful throughout the world with his 1956 "Calypso" becoming a million seller. During the 1960s, calypso was merged with Indian music and later soul and funk to become soca.
Music of Saint Kitts and Nevis
Calypso was subsequently commercialized in Trinidad, where it was sung mainly for entertainment in shows called "calypso tents" during the Trinidad carnival celebrations. (Unreferenced)