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Katy Perry, two-time Grammy
nominee and one of pop's biggest breakout stars, joins the CBS Interactive
Music Group for an exclusive "Live on Letterman" webcast concert, Tuesday,
Aug. 24
(live 8:00 PM, ET/5:00 PM, PT). 
As a part of the ongoing concert series, Katy will perform the live
webcast concert from the historic Ed Sullivan Theater and will play a few of her
biggest hits, as well as new songs from her eagerly anticipated second album, Teenage Dream, which will be released
the same day as her "Live on Letterman" performance.

Through this
interactive collaboration between television, radio and the Internet, fans can
connect with their favorite talent in a multiplatform setting, accessible
on-air, online and on-demand.  CBS will
promote and broadcast the webcast across the Company's multiple assets, with
the live concert streaming on the LATE SHOW website (
and airing that night on select CBS RADIO stations throughout the country.  Additional access to live and on-demand video
of the concert will be available through CBS Television Station websites,, and, while and will promote
and drive tune-in through  Furthermore,
as part of CBS Interactive Music Group's partnership with VEVO, will
webcast Katy's live performance with the archived on-demand broadcast available
through a VEVO player on and VEVO on YouTube.

Katy's exclusive
webcast will follow the taping of her appearance on the LATE SHOW with DAVID
LETTERMAN, which will be broadcast later that evening, Tuesday, August 24
(11:35 PM-12:37 AM, ET/PT), on the CBS Television Network. 

Katy Perry
returned to her hometown of Santa
Barbara, Calif. for
inspiration on her second album, Teenage
.  The two-time Grammy nominated
singer sold over five million copies of her debut album, One of the Boys, and her latest single, "California Gurls,"
is setting her up for a repeat success. 
Her whimsical pop songs "I Kissed a Girl," "Hot N Cold,"
"Thinking of You" and "Waking Up in Vegas" have sold more
than 22 million digital tracks and mobile products worldwide.  Because Katy writes her own material, her
lyrics are filled with truth and an infectious will to have fun.  Those efforts have won her Best New Act at
the Europe Music Awards, Best Pop Video at the MTV Japan Awards and International
Female Solo Artist at the Brit Awards. 

Several major
CBS RADIO stations across the nation will be broadcasting the event including:

WWMX-FM, Baltimore

WBMX-FM, Boston

WNKS-FM, Charlotte

WBBM-FM, Chicago

WQAL-FM, Cleveland

WDZH-FM, Detroit

WTIC-FM, Hartford

WZMX-FM, Hartford

KHMX-FM, Houston

KKHH-FM, Houston

KLUC-FM, Las Vegas

KMBX-FM, Las Vegas


New York

WJHM-FM, Orlando

WOMX-FM, Orlando

KZON-FM, Phoenix

WZPT-FM, Pittsburgh

KSFM-FM, Sacramento

KZZO-FM, Sacramento

KSCF-FM, San Diego



KYKY-FM, St. Louis

WLLD-FM, Tampa

WMBX-FM, West Palm

CBS Interactive Music Group

The CBS Interactive Music Group
is comprised of a diverse collection of leading consumer music brands readily
accessible across a variety of broadband, mobile and digital platforms by a
worldwide audience of more than 45 million unique monthly users.  Home to such properties as,, and, the CBS Interactive Music Group provides unmatched access
for music fans to interact with material from the biggest names in the
industry, as well as discover new and breaking artists and share their personal
taste in music with friends and other like-minded fans.

In addition, the CBS Interactive
Music Group powers both AOL Radio and Yahoo! Music Radio bringing a total of
more than 600 mainstream and specialty stations to the masses.  The division also has established content partnerships
with VEVO, the web's leading premium music video and entertainment service, and
Xbox Live, the popular gaming platform.  For
more information please visit