请你为学校杂志写一份40个词左右的广告，内容要点如下：学校乐队需要四名新成员，分别要求他们能弹钢琴，弹吉它，吹喇叭或敲鼓。你的联系方式，电话联系 87563559 网上报名 butterfly @ xjschool.com.cn。
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