You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Adult_contemporary_music

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.

Question:
Along with Andy Williams, Johnny Mathis, Nana Mouskouri, Celine Dion, Julio Iglesias, Barry Manilow, Engelbert Humperdinck, and Marc Anthony, what notable artist is featured on the soft AC format?

Frank Sinatra