John Travolta's First Hit   John Travolta first gained fame as Vinnie Barbarino on the television series Welcome Back, Kotter (1975).
popular adjective (LIKED) A2 liked, enjoyed, or supported by many people: She's the most popular teacher in school. That song was popular with people from my father's generation. Walking is a popular form of exercise in Britain.
For other uses, see Pop Song. Pop music is a genre of popular music that originated in its modern form in the United States and United Kingdom during the mid-1950s. The terms popular music and pop music are often used interchangeably, although the former describes all music that is popular and includes many styles.