Earlier this week the company announced that its iOS 5 operating system for devices would arrive in the autumn but has made a beta version available in advance to developers.

Business Insider notes that on the operating system the iPhone app which used to be called 'iPod' (through which users could play their music stored on iTunes) has now been renamed simply 'Music'.

It writes, "Apple is probably mostly trying to unify the experience across all of its iOS devices, ...