Neutral third 31-tet . Infants experiment with singing, and a few studies of individual infants' singing found that neutral thirds regularly arise in their improvisations. In two separate case studies of the progression and development of these improvisations, neutral thirds were found to arise in infants' songs after major and minor seconds and thirds, but before intervals smaller than a semitone and also before intervals as large as a perfect fourth or larger. The neutral third has been used by a number of modern composers, including Charles Ives, James Tenney, and Gayle Young. The equal-tempered neutral third may be found in the
Divided by Night Canada, from early May to mid June. After the original tour was over, The Crystal Method decided to add several more tour dates to their list – and most of them span across Europe. The Crystal Method has played at the Reading and Leeds Festivals, and will continue to tour Europe until early November 2009. The Divided by Night Tour had the same tracks and track order for each show: "Divided by Night" has come to be known for having more featured guests than any other album by The Crystal Method – and most of these guest artists do not