Breaking & Entering: A look at acts breaking at radio and retail and entering Billboard charts. This week: Tegan and Sara.

Profiling acts breaking at radio and/or retail and entering Billboard's charts.

It took six years, but the United States may be finally coming around to Tegan and Sara with their fourth studio album, "So Jealous."

Released in September 2004, the Vapor/Sanctuary set has steadily increased in sales since its bow. The set debuted breaking on Billboard's Top Heatseekers chart at No. 50 and jumps to No. 33 there this week. It has sold more 42,500 copies in the United States, according to Nielsen SoundScan.

The Alberta, Calgary, Canada-born sisters Tegan and Sara Quin debuted in 1999 with "Under Feet Like Ours" on Plunk Records. The duo then moved to Vapor/Sanctuary the next year for "This Business of Art," followed by 2002's "If It Was You."

In support of their latest effort, the sisters are joining Las Vegas new wave act the Killers on a tour that opened April 11 in Phoenix. The run is filled with sold out dates through April 24 includes stops in Las Vegas, San Francisco, Portland, Seattle and Vancouver before ending May 31 in Toronto.

With a sound that's hard to identify, the Quins are best known in the U.S. for the eerily catchy "Walking With a Ghost," played frequently on indie rock stations like KDLD-FM Los Angeles. Their quirky sound and notoriously playful onstage presence has landed them gigs alongside Hot Hot Heat, Ryan Adams, Rufus Wainwright, Ben Folds and Vapor Records founder Neil Young, and has carved them a strong presence at Canadian folk festivals over the years.

The 14-track album was produced in Vancouver with the help of the New Pornographers' John Collins, David Carswell and Howard Redekopp. The sisters brought 26 demos to the recording process, whittling it down with drummer Rob Chursinoff, bassist Chris Carlson and former Weezer member Matt Sharp on strings. Tegan and Sara spent three weeks fine-tuning the effort with guitar overdubs, keyboards and vocals.

Prior to joining the Scissor Sisters, the pair was out in March with the Ditty Bops and performed March 23 on ABC's "Jimmy Kimmel Live."


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