on april 25, 2006, dave matthews band announced a $1.5 million challenge grant to help build the new orleans habitat musicians' village. the band returned to the studio along with producer mark batson in march 2006 (with the resultant album slated for release in winter) before embarking on their annual summer tour, which concluded with a two-night stand in the band's hometown of charlottesville, virginia. this tour featured the addition of trumpeter rashawn ross as a full-time touring member, which he has remained since. ross, who received recognition with dmb's fans while playing with the jazz band soulive, had guested during several shows the previous year. the tour also saw the debut of new songs such as "the idea of you", "shotgun", "break free", "kill the king", and "can't stop".