nonlinear programs?

[Jeremiah Rogers]

Is there a way for me to make
python start a process(such as
mpg123) and
then continue on in the program
before mpg123 stops? I want to be
able
to start the song playing, and then
still solicit user input about
skipping on to the next mp3, or
quitting the program. If someone
could
explain this to me, or point me in
the direction of an explanation I
would be very greatful.