There are several bands called CALYPSO.
1) CALYPSO is a rave/hardcore project of the German band Paraphonatic in the mid-90s.
2) CALYPSO is a famous Brazilian band.
3) CALYPSO is a mixtape MC from U.S.
4) CALYPSO is a Greek-inspired folk collective from New England
5) CALYPSO is a brooklyn-based rock project
6) CALYPSO was a Portuguese rock band that appeared as a spin-off of Slow Punch. Two of its members later founded Mordor. Read more on Last.fm