What is the song name in the series finale of Sabrina, teenage witch? the mother inlaw sings it at the wedding?

Does anyone know the song name for the lyrics ';I've run the gamut A to Z, three cheers and damnit! C'est la vie';





I have searched on all the lyric websites and can't find the name of the song....please help! Thank you!What is the song name in the series finale of Sabrina, teenage witch? the mother inlaw sings it at the wedding?
That song is from a musical called ';Follies';


and the song is called ';I'm Still Here';