There are four bands called the Corsairs:
1) The Corsairs are an "a cappella" pirate quintet. They are based in Dallas, Texas. They primarily perform at renaissance fairs. You can find out more at their website, http://www.corsairs.com/.
2) The Corsairs were an American doo wop ensemble from La Grange, North Carolina best known for Smokey Places recorded on Chess in the early '60's
3) Corsairs were a band formed in Sydney NSW Australia, released 2 EPs and played awesome chaotic shows featuring some brutal southern rock riffs Read more on Last.fm