cd audio rip / backup

Option 1
-----------------
$ sudo apt-get install k3b
$ sudo apt-get install lame

Rip to wav

$ lame -h -b 192 in.wav out.mp3

Option 2
------------------

$ sudo apt-get install libmusicbrainz3-6
$ sudo apt-get install sound-juicer

Disc > Preferences > mp3

Extract