The company, which announced last week it had secured $77m (?47m) in new funding ahead of a global launch later this year, describes itself as a "brand new, disruptive, digital music service".

Currently in closed beta, it allows users to upload music and access it on multiple devices, paying a royalty on each track played.

The model works by including a licence that comes preinstalled on connected devices. This is used to pay rights owners a per-play micro-royalty.

The licence ...