Track taken from Sia's most recent album '1000 Forms Of Fear'
This year's event will also include 'Family Guy' creator Seth MacFarlane and a night of the music from 'Sherlock'
King Creosote, Errors and Mogwai also on longlist for 2015 prize
Singer also pens a song she is planning to pitch to Maroon 5 or Bruno Mars
New entries also come from Alabama Shakes, Passenger, Amber Run and Stacey Solomon
The streaming service has a net value of of £5.5 billion after £265 million of new funding
Rudimental collaborator also reveals how she manages to keep in shape
Streaming service struggling to attract users in both US and UK
'Almost Famous' director uses his former music journalist knowledge once again
Also win a pair of tickets to Reading or Leeds festival