Hi Sander,
have you tried one of the many Slow-Rock styles the VA7 has to offer? Besides the internal ones there are many others of them on the ZIP- disk (I am referring especially to those from the G 1000 and G 800). Otherwise, the internal Blues style is very inspiring too. By the way, there was a good Slow Rock among the "Italian Folk" styles found on the Roland Italy website.
Good luck,
Andrea
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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.