Tin Pan Alley (n.)youdaoicibaDictYouDict[Tin Pan Alley 词源字典]
"hit song writing business," 1907, from tin pan, slang for "a decrepit piano" (1882). The original one was "that little section of Twenty-eighth Street, Manhattan, that lies between Broadway and Sixth Avenue," home to many music publishing houses.[Tin Pan Alley etymology, Tin Pan Alley origin, 英语词源]