If you want to play the songs using Linux command line, follow this.
If you are using ubuntu / debian / mint, Install following package first.
# sudo apt-get install mpg321
Now play the song using terminal # mpg321 "/path/of/the/song.mp3"
If you are using CentOS / RHEL / fedora, Install following package first.
# sudo yum install mpg123
Now play the song using terminal # mpg123 "/path/of/the/song.mp3"