<Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (May 2009) (Learn how and when to remove this template message) </Td> </Tr> <P> A concert is a live music performance in front of an audience . The performance may be by a single musician, sometimes then called a recital, or by a musical ensemble, such as an orchestra, choir, or band . Concerts are held in a wide variety and size of settings, from private houses and small nightclubs, dedicated concert halls, arenas and parks to large multipurpose buildings, and even sports stadiums . Indoor concerts held in the largest venues are sometimes called arena concerts or amphitheatre concerts . Informal names for a concert include show and gig . </P> <P> Regardless of the venue, musicians usually perform on a stage . Concerts often require live event support with professional audio equipment . Before recorded music, concerts provided the main opportunity to hear musicians play . </P> <P> The nature of a concert varies by musical genre, individual performers, and the venue . Concerts by a small jazz combo or small bluegrass band may have the same order of program, mood, and volume--but vary in music and dress . In a similar way, a particular musician, band, or genre of music might attract concert attendees with similar dress, hairstyle, and behavior . For example, concert goers in the 1960s often had long hair (sometimes in dread lock form), sandals and inexpensive clothing made of natural fibers . Regular attendees to a concert venue might also have a recognizable style that comprises that venue's scene . </P>

Name something you might see at a rock concert