import sys
import os

csd_dir = '/usr/share/csound/csd/'
csd_list = sorted(os.listdir(csd_dir))
csd_toplay = 'Maple7.csd'

if csd_toplay == '':
	print csd_list
else:
	print "Playing " + csd_dir + csd_toplay
	os.system("csound -dm0 -odac -+rtaudio=alsa " + csd_dir + csd_toplay)