Could Music Unlimited be a step too far for Amazon?

On Wednesday evening Amazon unveiled its music streaming service Music Unlimited in the US, while announcing that the UK launch will happen later this year. The online retail giant is known for disrupting markets, but could this move be one step too far?
Music streaming is a lucrative market. In the US, it will soon represent over half of all recorded revenue from the sale of music in the country. But the industry is hugely competitive. Music streaming in Europe is dominated by Apple Music and S