Ringback music, also called personalized ringback tone, is a piece of music heard by the caller instead of the traditional telephone ring signal when a telephone call is placed.

“个性化接通回音”则是打电话时，传统的电话提示音被音乐所取代，于是成为了我们所说的“彩铃”。

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Apparently white people haven't yet mastered the art of making a ringback tone that sells, because the Caller Tunes chart is dominated by hip hop acts, with Lil Jon (aka Mr. Crunktastic) grabbing the top two spots.

ENGADGET: Lil Jon dominates T-Mobile Caller Tunes (aka ringback tones) chart