If you have Amazon Prime, you’ll want to take advantage of this incredible music streaming offer. Right now, you can get Amazon Music Unlimited totally free for five full months – that’s the best offer Amazon has ever had on its music streaming service. Get Amazon Music Unlimited free for five months in the UK Get Amazon Music Unlimited free for five months in the US Amazon Music Unlimited usually costs £8.99/$9.99 per month, so you’re saving £44.95/$49.95 over the course of the five months. After it ends, you’ll be charged the usual monthly fee unless you cancel. The only catch here is that i…