If you own amazon echo device ( echo or echo dot - i.e. the Alexa lady ) , Now amazon unlimited music just in £3.99/month on echo.
Also free 30 day trial.
Prime members ( non echo ) - price £7.99
Non Prime, non echo - price £9.99
For Prime member, avg 4 pound saving - in 12 months, saving = cost of Echo dot.
Non Prime - better offer. ( 6 pound per month saving ) , 8 months saving = cost of Echo dot.