It took decades for music delivery to evolve from vinyl records to CDs and years to go from CDs to MP3 players.
Now Internet radio is shaping up as competition for digital audio players by providing free online music streaming from websites such as Pandora and Spotify.
Singer-songwriter Theresa Andersson had just wrapped up a set at the New Orleans Jazz and Heritage Festival, and new fan Dana Spanierman was already planning how she could hear similar bluesy harmonies.
“I’m going to put her into Pandora and see who else I’ve been missing,” the Santa Cruz, California resident said.
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