I didn't see any bug reports for that module, and it works here. All I can guess is that there is some odd piping problem on your system. Can you run the following? 
#!/usr/bin/perl
system( "mpg123  a.mp3");

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In reply to Re^3: Help to execute mpg123 command with Audio::Play::MPG123 package by zentara
in thread Help to execute mpg123 command with Audio::Play::MPG123 package by Anonymous Monk

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