Thread:KinHikari/@comment-3466679-20150115160256/@comment-3466679-20150115160839

http://ringostrack.com/en/movie/phineas-and-ferb/4355

And also the fact that it was transtlated outside the US. So this means that it is a PF song because the non-PF songs (like "Let it Snow") are not translated.