Complex sentence: The crooning craze was at its height during this time and the "bobby soxer" and "swooner" teenage girls who were wild about Sinatra added Como to their list, a "swooners" club voting him "Crooner of the Year" in 1943.
Split into simpler sentences: The crooning craze was at its height during this time and the "bobby soxer" and "swooner" teenage girls who were wild about Sinatra added Como to their list. A "swooners" club voted him "Crooner of the Year" in 1943.