Question: "What profession would describe Marc Anthony and Johnny Mathis?"  Context: "Artists contributing to this format include mainly soft rock/pop singers such as, Andy Williams, Johnny Mathis, Nana Mouskouri, Celine Dion, Julio Iglesias, Frank Sinatra, Barry Manilow, Engelbert Humperdinck, and Marc Anthony."  Answer:
The answer to this question is:
singers