Beginner-friendly music apps make creating a simple song as accessible as playing a game.

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Carson's fabled town is conjured into being with a simple bird-song motif the opening line played by the clarinet.

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Take "Vaca, " a simple Argentine children's song about a cow.

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Both marketplaces essentially treat buying an app as if you are buying something much simpler like a song or a simple app for the iPhone or Android.

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Music can be collected into a jogging playlist and a simple Tapping Control Jogging mode makes it easy to change to the next song without interrupting a workout.

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Linktone's premise is simple enough: Users send the company a text message, ordering anything from the song "Tong Hua" ("Fairy Tale") to the daily installment of a romance novel.

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