Elvis sang a few lines of this song in concert in 20 august 1970 midnight concert.
The original version was recorded with the title "Ti guardero nel cuore" in 1962 by Riz Ortolani (Cam rec. CA 2412); it was an instrumental version.
Other versions with English lyrics:
00-04-63 - Kai Winding (Verve 10295) - instrumental version;
00-05-63 - Vic Dana (Dolton rec. 81);
00-00-63 - Steve Lawrence (Columbia 42795).