set thePlaylistsNames to (choose from list all_ps with prompt ({"Choose which playlists to export.", return, "[can choose multiple out of ", (length of all_specialps as string), " special playlists, ", (length of all_userps as string), " user playlists, and ", (length of all_smartps as string), " smart playlists]"} as string) with title myTitle with multiple selections allowed)