10,000 Days is the fourth studio album by American progressive metal band Tool. The album was released by Tool Disectional and Volcano Entertainment on April 28, 2006 in parts of Europe, April 29, 2006, in Australia, May 1, 2006 in the United Kingdom, and on May 2, 2006 in North America. Recording took place at O'Henry Studios in Burbank, California, The Loft, and Grandmaster Studios (both in Hollywood, California.) It was mixed at Bay 7 in North Hollywood, California and mastered at Gateway Mastering Studios in Portland, Maine. 10,000 days spawned three singles: Vicarious, The Pot and Jambi.