Amazon Music HD is now available at no additional cost to Amazon Music subscribers. What you need to know Amazon just made HD sttraming the deault for its music streaming service. The company will no longer charge $5 extra for acess to HD and Ultra HD quality audio. It's rolling this change out today to subscribers in U.S., UK, Germany, Canada, France, Italy, and Spain. Amazon today announced an upgrade to its Amazon Music streaming service, expanding its main Amazon Music HD service to all Amazon Music subscribers at no extra cost. The update will go live from today and bring in more than 70 million lossless HD songs which Amazon says are streamed at CD quality. Of those 70 million-plus songs, Amazon says 7 million of them are available in Ultra HD, or better than CD quality. Aside from these improvements in quality, the company will also offer songs available in 3D Audio formats like Doby Atmos and Sony360RA. Amazon did not expand on how many songs were available under