TuneCore and pitchforkmedia.com. TuneCore's first customer was Frank Black, lead singer of the Pixies. In 2008, TuneCore was utilized by Nine Inch Nails to deliver the music from their album, "Ghosts I–IV" to the Amazon MP3 store. In December 2006, music instrument and equipment retailer Guitar Center bought a stake in TuneCore, giving the company access to the music retailer's customers. In the United States, TuneCore represents about 10 percent of the 20 million songs on iTunes, and it accounts for almost 4 percent of all digital sales. TuneCore reportedly fired Jeff Price, a co-founder and then-CEO, after the company faced
Tidal force the Moon produces a greater tidal force on the Earth than the Sun, even though the Sun exerts a greater gravitational attraction on the Earth than the Moon, because the gradient is less. The Moon produces a greater tidal force on the Earth, than the tidal force of the Earth on the Moon. The distance is the same, but the diameter of the Earth is greater than the diameter of the Moon, resulting in a greater tidal force. What matters is not the total gravitational attraction on a body, but the difference from one side to the other. The greater