1:53 American Top 40 (1984-87 Closing) 0:59 American Top 40 (1984-87 Hour Intro) 0:59 American Top 40 with Casey Kasem End of Hour Theme (1984-1987) 2:43 American Top 40 Theme Music 2:56 American Top 40 Closing Theme (\"Dark Disco\", 1979-84) 2:05 American Top 40 Theme - 1982 to 1984 (Remastered) HD 2:49 AT40 Original Theme in (((STEREO)))