j - previous song
k - next song
o - select song
d - delete song
n - lower song
p - raise song
space - play/pause
s - toggle subtitles
c - toggle subtitles continuous
a - scroll subtitles back
z - scroll subtitles forward
x - scroll subtitles reset
- - decrease subtitles size
+ - increase subtitles size
= - reset subtitles size
? - display help