Indie label executives believe recent changes to Apple's download store could be related to the company's plans for its soon to be revamped Beats digital streaming service. 

The firm has updated its style guide and last month began taking down thousands of titles that do not conform to it - although it has been claimed some were removed purely due to the "editorial discretion" of Apple and iTunes. 

Apple has also switched up what appears in album carousels. Previously chosen ...