Rhythmbox no sound

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https://bbs.archlinux.org – today when i started Rhythmbox and played a song then there is sound in it. I tried to search the problems on different forums including this one but it didn't solved.when i start Rhythmbox it show following output:$ rhythmbox  (rhythmbox:13322): libpeas-WARNING **: audiocd: /usr/lib/rhythmbox/plugins/audiocd/libaudiocd.so: undefined symbol: discid_read  (rhythmbox:13322): libpeas-WARNING **: Error loading plugin 'audiocd' ss6012 https://bbs.archlinux.org/profile.php?id=64277 2012-10-03T05:19:23Z (HowTos)