Ubuntu/Debian Servers
Modifying .htaccess had no effect.
Modify: /etc/php5/apache2/php.ini
post_max_size = 15M upload_max_filesize = 15M
you need to update your conf/mime.conf file and add the following
mp3 audio/mpeg
This will allow you to upload. For additional mime-types please see the link provided by andi. 还需要重启apache2