一个关于表单的问题

<form action="" method="get" enctype="multipart/form-data">
  <table width="378" border="1" align="center">
    <tr>
      <td colspan="2"><div align="center">上传内容</div></td>
    </tr>
    <tr>
      <td>上传音乐:</td>
      <td><label>
        <input type="file" name="file">
        <input type="submit" name="Submit3" value="上传">
      </label></td>
    </tr>
    <tr>
      <td>音乐名称：</td>
      <td><label>
        <input name="musicname" type="text" id="musicname">
      </label></td>
    </tr>
    <tr>
      <td>连接地址：</td>
      <td><label>
        <input name="musicurl" type="text" id="musicurl">
      </label></td>
    </tr>
    <tr>
      <td>作 曲 人:</td>
      <td><label>
        <input name="musicun" type="text" id="musicun">
      </label></td>
    </tr>
    <tr>
      <td>音乐内容：</td>
      <td><label>
        <textarea name="musicsay" id="musicsay"></textarea>
      </label></td>
    </tr>
    <tr>
      <td>音乐歌词：</td>
      <td><label>
        <textarea name="musiclrc" id="musiclrc"></textarea>
      </label></td>
    </tr>
    <tr>
      <td>音乐图片：</td>
      <td><label>
        <input name="musicpic" type="file" id="musicpic">
        <input type="submit" name="Submit4" value="上传">
      </label></td>
    </tr>
    <tr>
      <td colspan="2"><div align="center">
        <label>
        <input type="submit" name="Submit" value="提交">
        </label>
        <label>
        　
        <input type="reset" name="Submit2" value="重置">
        </label>
      </div></td>
    </tr>
  </table>
</form>
<!--#include file="../inc/conn.asp"-->



这里两个上传按钮怎么担交呢?