During this era of the festival , it was custom that one version of the song was performed Hold by a native Italian artist while the other version was performed Hold by an international guest artist. , and that was the way for many international artists to debut Process_start with hits Bodily_harm in Italian market in those years , such a case for Louis Armstrong , Stevie Wonder , Jose Feliciano , Roberto Carlos , Paul Anka , Yardbirds , Marianne Faithfull , Shirley Bassey , Mungo Jerry and many others .