Pirate Radio ASLA error

@ajalexsmith wrote:

Hello,
I picked up a pirate radio from the PiParty and i'm trying to make a pygame mixer music player, however i'm currently not getting a sound output.

When running the following code:

from pygame import mixer
import phatbeat
volume = 0.5
state = 'pause'
mixer.init()
mixer.music.load('test.mp3')
@phatbeat.on(phatbeat.BTN_PLAYPAUSE)
def play_pause(pin):
    global state
    print "play"
    if state == 'pause':
        mixer.music.play()
        state = 'play'
    if state == 'play':
        mixer.music.pause()
        state = 'pause'
while True:
  pass

I get the following output:

When just opening python, if i type in the following commands, the music plays, and i receive no ALSA messages.

from pygame import mixer
mixer.init()
mixer.music.load('test.mp3')
mixer.music.play()

I'm not going to lie, I am not too good at coding, so it could very well be an issue with the code, however the "ALSA lib pcm.c:7843:(snd_pcm_recover) underrun occurred" error is really confusing me!

Many Thanks

Alex

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