Hungarian rock has been a part of the popular music of Hungary since the early 1960s. The first major bands were Illés, Metró and Omega. At the time, rock was not approved of by the Hungarian Communist authorities. In the 70s, the Communists cracked down on rock, and Illés was banned from recording. Some members of the other bands formed a supergroup called LGT, while the band Omega became very popular in Germany. Rock is a form of popular music, usually featuring vocals (often with vocal harmony), electric guitars, and a strong back beat; other instruments, such as the saxophone, are common in some styles. ... Franz Liszt, prominent Hungarian composer Hungary has made many contributions to the fields of folk, popular and classical music . ... The 1960s, or The Sixties, in its most obvious sense refers to the decade between 1960 and 1969, but the expression has taken on a wider meaning over the past twenty years. ... This article refers to a musical group called Omega. ... Supergroup can mean: In physics, see Supergroup (physics). ...