Random play is not working correctly

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Hello  have recently been having issues with playing my lay list in random mode. The songs played are almost identical each time 

I start playing songs. Also whenever  my random songs start from a particular track the same track starts each time I use the app wether it's several days apart and the playlist practically plays same songs each time.

I've tried signing In/out disengaging the random feature option then re engage it but still plays predictable songs.