Vic,
yes, you are correct; once you create a midifile from a Band in a Box or Jammer pro song you can convert that midifile in a style using the EMC software.
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Korg Kronos 61 and PA3X-Pro76, Roland G-70, BK7-m and Integra 7, Casio PX-5S, Fender Stratocaster with Fralin pickups, Fender Stratocaster with Kinman pickups, vintage Gibson SG standard.