In the '90s, he inspired a rebirth of swing with the Brian Setzer Orchestra.

NPR: Setzer Swings into Classical with 'Wolfgang'

As an example of the impact of high prices, a stronger dollar and lower demand, Setzer said corn exports are down about 14% year-to-date.

FORBES: 2012 Outlook: Economic Slowdown Could Pinch Demand For Some Commodities

Mr. SETZER: (Singing) I don't need no movie car(ph), falling star, new, new guitar, the jukebox in a funky bar, and one more night with you.

NPR: Setzer Swings into Classical with 'Wolfgang'

Setzer said the market talk about the harm to hedging may be a bit overwrought, but he pointed out that defining hedger itself can be tricky.

FORBES: CFTC Position Limits Rule Divides Agency, Angers Market Participants

Musician Brian Setzer is known for reviving older musical genres.

NPR: Setzer Swings into Classical with 'Wolfgang'

Karl Setzer, commodity trading adviser at MaxYield Cooperative in Iowa, said the gain the dollar had a significant impact on the grain markets, which were already in a downtrend.

FORBES: 2012 Outlook: Economic Slowdown Could Pinch Demand For Some Commodities

Mr. SETZER: These guys were like big party boys, and I thought - this is kind of funny, I had this idea of all those guys out there partying so they - it's Wolfgang's big night out.

NPR: Setzer Swings into Classical with 'Wolfgang'