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A cappella group Pentatonix joins one of its idols, Kelly Clarkson, at Mountain View’s Shoreline Amphitheatre this Sunday, Aug. 23.

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CalMatters is a Sacramento-based nonpartisan, nonprofit journalism venture committed to explaining how California's state Capitol works and why it matters. It works with more than 130 media partners throughout the state that have long, deep relationships with their local audiences, including Embarcadero Media.

Karla is an assistant lifestyle editor with Embarcadero Media, working on arts and features coverage.