This is what your looking for.(Copied from Blackberry site)
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This free, downloadable application – which operates on such popular models as the BlackBerry® Pearl™, BlackBerry® Curve™ and BlackBerry® 8800 Series smartphones from Research In Motion (RIM) (NASDAQ: RIMM; TSX: RIM) – was developed by mobile application developer, Nobex Technologies, and is powered by Mediaguide, a top provider of airplay data drawn from terrestrial and Internet radio, as well as major peer-to-peer networks.
Through its proprietary fingerprinting technology and network of remote monitoring stations, Mediaguide currently tracks the real-time airplay of more than 2,700 terrestrial radio stations in every state in the U.S. This allows Radio Companion users to see what is playing right now on any of their favorite radio stations with just a few quick clicks on their BlackBerry smartphone. They can then select the music track to have its details sent instantly to their email account, with a direct link to click-through and purchase the song online.
"The BlackBerry platform is ideal for this kind of entertainment offering," said Steve Lubin, CEO of Mediaguide. "It is the mobile device of choice for millions of Americans and has become a key access point for all types of information and services. Bringing music-oriented applications into the BlackBerry ecosystem is a natural evolution in how consumers are using this smartphone."
Radio Companion is fast to download and set up. Users simply point their BlackBerry browser to www.nobexrc.com
and click the link to download. During the brief set-up process, users are prompted to select their favorite radio stations by scrolling through an alphabetical list of cities and then picking their stations. This list includes more than 2,700 stations from all music formats and genres throughout the country.
Once set-up is complete, users click on a station name to see what is currently playing. Radio Companion displays the song title and artist, as well as a thumbnail graphic of the album cover or artist photo. They can also scroll backwards to view previous songs and artists on the station’s playlist.
"When you're tuned in live to a station but don’t know the name of the specific song that’s playing, Radio Companion can tell you in an instant," said Gadi Mazor, CEO of Nobex. “Some people listen to a particular station to get introduced to new music. For them, Radio Companion is a great tool for scrolling recent playlists to discover tracks they may want to check out.”