How to retain the Track List of Rhythmbox

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http://askubuntu.com – I am using ubuntu 12.04 and have Rhythmbox as my default music player but the problem is when I press the start button it doesn't play each time when I restart ubuntu, I have to import track again. All my tracks are in the partition lablel "Songs". One thing I found the track in the missing library but still it doesn't let me play. (HowTos)