Shlock musical style.
This is how he's summed up:
It was Arnaz who may have done more to popularize the conga in the United States than any other figure, leading an orchestra that mixed Latin-Cuban music with big-band pop, and putting it over to the masses with his irresistibly good-natured, melodramatic vocals.share
https://www.allmusic.com/artist/desi-arnaz-mn0000207072