For the Roberta Flack number I use a Pop Bossanova style on the 3000 with a tempo of 135 and the first variation. I imagine it would also be pretty good for the Billy Joel number as well.
Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)