Broadway theatre, commonly known as Broadway, refers to the theatrical performances presented in the 40 professional theatres with 500 or more seats located in the Theater District and Lincoln Center along Broadway, in Manhattan, New York City. Along with London's West End theatres, Broadway theatres are widely considered to represent the highest level of commercially successful theatre in the English-speaking world.The Broadway Theater District is a popular tourist attraction in New York City. According to The Broadway League, Broadway shows sold a record US$1.36 billion worth of tickets in 2014, an increase of 14% over the previous year. Attendance in 2014 stood at 13.13 million, a 13% increase over 2013.The great majority of Broadway shows are musicals. Historian Martin Shefter argues, ""'Broadway musicals,' culminating in the productions of Richard Rodgers and Oscar Hammerstein, became enormously influential forms of American popular culture"" and helped make New York City the cultural capital of the nation.