Which Elvis Presley song is an adaptation of an Offenbach aria from the opera "The Tales of Hoffman" and in which of his films does he sing it?

"Tonight is so right for love" from the movie "GI Blues". Listen to it here.

Barcarolle is the original music from Jacques Offenbach.

For an audio on how the original sounded click here , scoll down the page and find "save" and click on it. (window media player file).

Perfect answer, Mozart (as always!). Thanks!