Czar

There have been several bands and artists with the name Czar throughout history, including a British progressive rock band from the 1970s that released a self-titled album "Czar" in 1970. This band was known for their blend of progressive rock with touches of classical and jazz influences. However, due to the lack of specificity in the query and the possibility of multiple entities named Czar, it's difficult to provide detailed factual information about their career without further context. If you can provide additional details or clarify which Czar you are referring to, I may be able to offer more precise information.