generate questions: In its early years of existence, the smooth jazz format was considered to be a form of AC, although it was mainly instrumental, and related a stronger resemblance to the soft AC-styled music. For many years, artists like George Benson, Kenny G and Dave Koz had crossover hits that were played on both smooth jazz and soft AC stations.
What radio station format was sometimes regarded as a type of adult contemporary? {sep_token} What type of music was predominantly played on smooth jazz stations? {sep_token} Along with Kenny G and Dave Koz, what artist was featured on smooth jazz stations? {sep_token} What other format of station were smooth jazz artists sometimes featured on?