R&B vocalist Macy Gray has lined up a 14-date U.S. tour in advance of the May release of her upcoming Epic album, "The Trouble With Being Myself." The trek kicks off tomorrow (March 1) in Las Vega

R&B vocalist Macy Gray has lined up a 14-date U.S. tour in advance of the May release of her upcoming Epic album, "The Trouble With Being Myself." The trek kicks off tomorrow (March 1) in Las Vegas and will run through a March 20 date in Philadelphia. Fans can get a preview of Gray's new single, "When I See You," via her official Web site; a commercial single is due April 8.

Although a final tracklist for the album isn't yet nailed down, a spokesperson confirms that the track "It Ain't the Money" features the vocal talents of Beck. "The Trouble With Being Myself" is the follow-up to Gray's 2001 set "The Id," which debuted at No. 11 on The Billboard 200 and has sold 576,000 copies in the U.S., according to Nielsen SoundScan.

Gray was recently heard teaming with Queen Latifah and Lil' Kim for the song "Cell Block Tango (He Had It Comin')," which appeared on Epic's soundtrack to the hit musical "Chicago."

Here are Macy Gray's tour dates:

March 1: Las Vegas (House of Blues)
March 2: Anaheim, Calif. (The Grove)
March 3: San Francisco (Fillmore)
March 5: Seattle (Showbox)
March 6: Portland, Ore. (Roseland)
March 8: Salt Lake City, Utah (University of Utah)
March 9: Denver (Ogden Theatre)
March 11: St. Louis (Mississippi Nights)
March 12: Lawrence, Kan. (Granada Theatre)
March 14: Detroit (St. Andrews Hall)
March 15: Chicago (House of Blues)
March 16: Cleveland (Odeon)
March 19: Boston (Paradise)
March 20: Philadelphia (TLA)