her lips move on autopilot." Jon Caramanica from Rolling Stone was more critical and said apart from "Danger" and "Love of My Life Worldwide", most of the songs sounded aimless, "variations on some atmospheric theme ... slither[ing] along unthreateningly". Tour Badu embarked on the Worldwide Underground Tour in 2004. The US trek kicked off on February 3 in New Orleans. and ran through the winter and spring with supporting act Floetry joining the tour February 5 in Houston. The Roots made a special opening act appearance at the February 11, show in Los Angeles. Badu resumed the tour during the fall with additional dates in America and Europe. Badu founded the Sugar Water Festival, a music festival co-found by Badu, Queen Latifah and Jill Scott. The trek played to amphitheaters and arenas in the United States during the summer of 2005 and 2006. It began in 2005 as an event to bring awareness to health issues to African-American women. British duo Floetry opened shows during the 2005 run. The festival was relaunched briefly in 2006 with Kelis opening the show and comedian Mo'Nique hosting the festival. 2006 was the final year for the outing. The festival was to expand into Europe and Asia, however, this did not come to fruition. The Summer Tour was a concert tour in 2006 by Badu. The tour started on June 10, in Knoxville, TN, with three shows in the U.S. and resumed in July for several shows in Europe. In August, Badu co-headlined dates with Jill Scott and Queen Latifah at the "Sugar Water Festival". Track listing Personnel Musicians Freakquency Erykah Badu - vocals, arrangements, funk box (track 2, 5), drum programming (6) James Poyser - keyboards (2-4, 6-9, 11), additional programming (2), drums (11) Rashad "Ringo" Smith - drum programming (except 1, 4, 10), "funk cuts" (5), "cuts, spices and herbs" (11) R.C. Williams - keyboards (5, 7), additional programming (3) with Braylon "Brother B." Lacy – bass (2-5, 7-9), handclaps (5) Doc Gibbs – percussion (2-4) Zap Mama, Caron Wheeler – vocals (2) Chinah Blac - background vocals (2, 7) Lenny Kravitz – electric guitar (4 [not 3 as stated in album credits]) Dwayne Kerr – flute (5, 11, 12) Jazz Bell, Sam Bell, Tisha Creer, Alfredo Gray, Robert Pack, A. Pérez - background vocals (5) Eevin Wright, Rod Rice – handclaps (5) M-1, Stic.man – vocals (6) Dead Prez - rap,