The game primarily makes use of Vocaloids, a series of singing synthesizer software, and the songs created using these Vocaloids most notably the virtual-diva Vocaloid Hatsune Miku. The game is the first video game to utilize the Vocaloid software developed by the Yamaha Corporation.
The first Secretary of State of the Republic of Texas, Stephen F. Austin, was appointed by Texas President Sam Houston in 1836. Since then, Texas became a state of the United States in 1845 and there have been 109 Secretaries of State.
Secretary Johnson was appointed by President Obama on December 23, 2013, following confirmation by the U.S. Senate by a vote of 78-16. Previously, Secretary Johnson was appointed by President Obama to be General Counsel of the Department of Defense from 2009 through 2012.