Hello

Can someone help me please I have been battling Sonos for the last six months when I first introduced arc sound bar my old solar system freaked out and crashed everywhere after battling with Sonos I have upgraded my whole system to 300 and 100 and a sub 4now the equipment is all new what I have noticed is my problemI have a western digital my iCloud that has had all my music on there previously and worked fine on my network now since I've upgraded the playlist have MP3s added into it now which do not apply I can't understand it

I have re-imported all my music back into iTunes then converted over to the western digital cloud then done the conversion of the addresses of the music for Sonos to find but I am still picking up MP3s in the system which will not play can anyone advise me pleaseI have re-imported all my music back into iTunes then converted over to the western digital cloud then done the conversion of the addresses of the music for Sonos to find but I am still picking up MP3s in the system which will not play can anyone advise me please

Thank you very much Mark