I do use the intros and endings that I think work well with a particular song. I use piano and guitar for keyboard playing mostly and I play the part right along with the endings and intros.
Sometimes with standards I play the last four bars of a tune for the intro. If the longer endings do not work I use the simple endings. If neither ending sounds right for the tune, I do use the fade button.
Sometimes the intro and endings are perfect for the tunes I play. But many tunes you just have to improvise intros and endings, No keyboard will do everything.
I'll admit it is time consuming to learn what you can do with a board if your going to use the arranger parts. Uncle Dave's got it made. He sings great. All he needs is drums bass and right hand chords.He can use a Casio and sound great. ( Unless he only sings "She" that good.HA!HA!) He just has the natural voice.
I'm a sax player. I need all the help I can get. I even have to type out the lyrics for most tunes. Dave doesn't even own any loose leaf paper.HA! HA! again!!
Dave why don't you send me a tape. I'd love to listen to you sing some other tunes. Especially some old standards.
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I'm not prejudiced, I hate everybody!! Ha ha! My Sister-In-Law had this tee shirt. She was a riot!!!