 
 <prompt> Engelbert Humperdinck don dey contribute well well to di sound of which musical genre? Based on di question wey dey before, write one context wey get di answer. E fit be 1 - 20 sentences. Context: <response>: Artists wey dey contribute to dis format na mainly soft rock/pop singers like Andy Williams, Johnny Mathis, Nana Mouskouri, Celine Dion, Julio Iglesias, Frank Sinatra, Barry Manilow, Engelbert Humperdinck, and Marc Anthony. 