I've never tried a USB stick with songs, will dig one out then have a go tomorrow. I normally leave my phone in my pocket and connect via BlueTooth to play what's on the phone. Or using Apple CarPlay but I found that the sound after 20 minutes of playing got distorted. It wasn't the cables, I swapped those. Will let you know over the weekend how mine behaves with a similar number of songs on a FAT32 formatted USB stick, I might have a 32Gb one somewhere.
Ron
2016 D4 TDV6 Corris Grey
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2018 D5 TD6 SE Silicon Silver - gone
2011 D4 TDV6 2.7 Indus Silver - gone
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