$ python -m youtube_dl http://calimero.tk/muzik/和楽器バンド-虹色蝶々.flac --print-traffic
[generic] 和楽器バンド-虹色蝶々: Requesting header
http://calimero.tk/muzik/和楽器バンド-虹色蝶々.flac
http://calimero.tk/muzik/%E5%92%8C%E6%A5%BD%E5%99%A8%E3%83%90%E3%83%B3%E3%83%89-%E8%99%B9%E8%89%B2%E8%9D%B6%E3%80%85.flac
send: u'GET /muzik/%E5%92%8C%E6%A5%BD%E5%99%A8%E3%83%90%E3%83%B3%E3%83%89-%E8%99%B9%E8%89%B2%E8%9D%B6%E3%80%85.flac HTTP/1.1\r\nHost: calimero.tk\r\nAccept-Language: en-us,en;q=0.5\r\nAccept-Encoding: gzip, deflate\r\nAccept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\nUser-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20150101 Firefox/20.0 (Chrome)\r\nAccept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\r\nConnection: close\r\n\r\n'
reply: 'HTTP/1.1 200 OK\r\n'
header: Date: Sat, 30 May 2015 16:19:23 GMT
header: Server: Apache
header: Last-Modified: Sun, 02 Mar 2014 19:55:40 GMT
header: ETag: "d9c51-22a470d-4f3a50e2fa700"
header: Accept-Ranges: bytes
header: Cache-Control: max-age=259200
header: Expires: Tue, 02 Jun 2015 16:19:23 GMT
header: Vary: Accept-Encoding
header: Content-Encoding: gzip
header: Connection: close
header: Transfer-Encoding: chunked
header: Content-Type: application/octet-stream