is it possible to create swirls,sweeps & swooshes which you hear on ILIO Demo Spring 99(track 8-Trancefusion)CD on K2500?
If it is possible please give me some tutorial.

The K2500 is certainly capable of producing sounds like those. As an example check out program #184 Etheral Strings. There is a wonderful filter sweep assigned to the modwheel.

You can find some additional tutorials, links to other Kurzweil sites on my website listed below.

Take Care,

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Mike Martin
Kurzweil Music Systems
Visit the Kurzweil Connection
http://members.aol.com/kurzconnection
and KeySolutions Sample Libraries
http://members.aol.com/keysolutns