Complex sentence: Alfred Drake performed the song in the 1973 Broadway stage production of "Gigi", though in the 2015 revival, it was sung as a duet between Victoria Clark and Dee Hoty.
Split into simpler sentences: Alfred Drake performed the song in the 1973 Broadway production of "Gigi". In the 2015 revival of "Gigi", it was sung as a duet between Victoria Clark and Dee Hoty.