You can download all these new ringtones by following the link given at the bottom of this post.
Stories behind many of these tones have been covered in an interesting post by Lumia Conversations.
The Sounds of the World project was conceived almost a year to the day. In the twelve months that have followed, Henry Daw and his team have visited four continents, met more than 150 music students and shortlisted 20 ringtones; some of which would ultimately find their way onto the Lumia 535, the first Microsoft-branded Lumia, which features all new global ringtones and regional sets.