我想从该站接收元数据：
http://ice1.somafm.com/deepspaceone-128-mp3
为了实现这一点，我通过 shell 执行了以下请求：
$ GET -H "Icy-MetaData: 1" http://ice1.somafm.com/deepspaceone-128-mp3
尽管我期望收到该Icy-metaint值，但它不会抛出任何输出。
我还做了以下请求：
$ HEAD http://ice1.somafm.com/deepspaceone-128-mp3
这产生：
200 OK
Cache-Control: no-cache, no-store
Connection: Close
Date: Sun, 24 Apr 2016 07:23:14 GMT
Pragma: no-cache
Server: Icecast 2.4.0-kh3
Content-Type: audio/mpeg
Expires: Mon, 26 Jul 1997 05:00:00 GMT
Access-Control-Allow-Headers: Origin, Accept, X-Requested-With, Content-Type
Access-Control-Allow-Methods: GET, OPTIONS, HEAD
Access-Control-Allow-Origin: *
Client-Date: Sun, 24 Apr 2016 07:21:38 GMT
Client-Peer: 173.239.76.148:80
Client-Response-Num: 1
Icy-Br: 128
Icy-Genre: Ambient Space
Icy-Name: Deep Space One: Deep ambient …