Madonna says writing children's Books is more fulfilling than being a pop chart queen or a movie star.

麦当娜说为孩子们写书比做流行歌后或电影明星更有成就感。

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All four collections reached the Top 5 on Billboard's Pop Albums Chart.

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Before, it only used top 40 radio to figure out the pop chart.

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In 1964 alone, he had 17 hits on Billboard's pop chart.

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The group's first four singles -- "I Want You Back, " "ABC, " "The Love You Save" and "I'll Be There" -- went to No. 1 on the Billboard pop chart, the first time any group had pulled off that feat.

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