Scott,
I can't tell you which arranger (if any) was used to record that commercial.... but I can tell you one thing for sure:

That commercial made me hungry!!

Cheers
A.
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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.