One of the most prominent showcases for new talent around, the BBC Sound Of poll utilises opinion drawn from across the music industry and beyond.
With the year drawing to an end, tastemakers have been questioned on who they think will define the next 12 months.
The results are in, with the long list for BBC Sound Of 2015 now online. The nominees are:
George The Poet
Years & Years
Let the debate commence! Who do you think will win? Let Clash know via Twitter.