Hit Masters is a karaoke company. In 2008, they released a version of the Kid Rock song "All Summer Long" to the iTunes Store in North America. Due to Kid Rock's decision to withhold his music from the iTunes market, sales from the karaoke version eventually caused it to overtake Kid Rock's original on the Billboard Hot 100 in the United States, peaking at number 19. This version also peaked at number 28 on the Canadian Hot 100 due to... [more on Wikipedia]