The Canadian band Feist was quick to realize the benefits of its Apple partnership. Headed by singer-songwriter Leslie Feist, it released "The Reminder" on May 1, a well-reviewed collection of alternative and folk songs. The record sold decently - 31,000 its first week and 21,000 the next, according to SoundScan. On Sept. 9, when its song "1234" was paired with Apple's new iPod video Nano, the band was averaging 6,000 record sales weekly for a grand total of 216,000.

During the next four weeks, as the catchy ad beamed into millions of American living rooms, weekly sales for Feist improved to 14,000 the first week, 19,000 the second, 28,000 the third and 20,000 four weeks into the ad campaign.