# cat /dev/sndstat

# ls /dev/dsp0.0

# ls /boot/kernel/snd_*

# kldload snd_driver

# cat /boot/loader.conf

snd_ich_load="YES"

# fetch http://val.bmstu.ru/unix/Media/bird_1.au

# file bird_1.au
bird_1.au: Sun/NeXT audio data: 8-bit ISDN mu-law, mono, 8000 Hz

# cp bird_1.au /dev/dsp0.0

# pkg install mpg123

# rehash

# fetch http://val.bmstu.ru/unix/Media/Knockin_on_Heavens_Door.mp3

# apt-get install mpg123

# wget http://val.bmstu.ru/unix/Media/Knockin_on_Heavens_Door.mp3

# mpg123 KnockinonHeavensDoor.mp3