Pandora The founder of Pandora, a 7-month-old, so-called music-discovery engine, Westergren travels from town to town, sharing his time and story with fans who, because of his service, say they've rediscovered a love of newfound music. From every town he visits--places like New Orleans; Austin, Texas; Portland, Ore.; and Biloxi, Miss.--he carries back to his Oakland, Calif., headquarters a bag full of CDs given to him by local taste makers. Songs on those CDs make it into the Internet-based radio of Pandora, which in seven short months has acquired 2.5 million registered listeners largely by word of mouth. Pandora founder states: Ever since we started the Music Genome Project , our friends would ask: Can you help me discover more music that I'll like? Those questions often evolved into great conversations. Each friend told us their favorite artists and songs, explored the music we suggested, gave us feedback, and we in turn made new suggestions. Everybody started joking that...