Cmus: Error: opening audio device: No such file or directory

Error: opening audio device: No such file or directory

1. Run Cmus from your terminal;

[user@hostname]$ cmus

2. Bind key 7 (it's number);

3. Find and change settings like here:
(Bind [Enter] and to save settings again [Enter])

dsp.alsa.device=default

mixer.alsa.device=default
mixer.alsa.channel=PCM
output_plugin=alsa

4. Bind key 1 (it's number again);

(Type ":quit" if you want exit from cmus)