Singer/songwriter Vanessa Carlton will unveil her sophomore album, "Harmonium," Nov. 9 via Interscope. First single "White Houses" debuts this week at No. 100 on the Billboard Hot 100 and is No. 32 in its third week on the Top 40 Mainstream chart. The accompanying video can be viewed on the artist's official Web site.

The set was produced by Third Eye Blind's Stephan Jenkins and features guest spots on as-yet-unnamed tracks by Fleetwood Mac principal Lindsey Buckingham and the Neptunes' Pharrell Williams.

It's the follow-up to 2002's "Be Not Nobody," which debuted at No. 5 on The Billboard 200 and has sold 1.38 million copies in the United States, according to Nielsen SoundScan. Carlton also garnered significant airplay last fall via her contribution to Counting Crows' cover of Joni Mitchell's "Big Yellow Taxi," which reached 12 different Billboard charts.

The artist kicks off a North American tour Oct. 21 in Minneapolis. An appearance on Sessions at AOL will air Friday (Oct. 8) on AOL Music.

Here are Vanessa Carlton's tour dates:

Oct. 21: Minneapolis (Fine Line Music Cafe)
Oct. 22: Chicago (Park West)
Oct. 24: Detroit (Majestic Theatre)
Oct. 25: Cleveland (Odeon)
Oct. 26: Toronto (Mod Club)
Oct. 27: Montreal (La Tulipe)
Oct. 29: Boston (Paradise)
Oct. 30: Philadelphia (TLA)
Nov. 1: Alexandria, Va. (Birchmere)
Nov. 3: New York (Joe's Pub)
Nov. 5: Savannah, Ga. (School of Art & Design)
Nov. 12: Denver (Soiled Dove)
Nov. 14: Tempe, Ariz. (Marquee Theatre)
Nov. 16: Los Angeles (Roxy)
Nov. 18: San Francisco (Great American Music Hall)
Nov. 20: Seattle (Crocodile Cafe)
Nov. 21: Portland, Ore. (Aladdin Theater)