Does anyone work in Home Bargains 26 January 2021 at 10:00PM in Wales

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I was in Home Bargains Upper Boat and the music tracks one after the other were really nice.  The only ones I remember was a U2 song and someone else in the aisle said one of them was Travis (not rain on me)  they were all unknown to me I don't follow music, but there were some nice soul music which I will never know what it was. 
Does any one know are they playing a CD or from an mp3 music collection at random?