In its third-quarter 2008 Quarterly Results Conference Call, Apple Inc. executives CFO Peter Oppenheimer and COO Tim Cook made several comments concerning its music-related products, which accounted for 33% of the company’s total revenue growth in the third fiscal quarter. iPod sales grew 10 percent in the U.S. during the quarter, and 15 percent internationally. The iTunes Movie Rental service now offers over 2200 films — 450 in HD —…