Frontman Kele Okereke says he doesn't know what's next for the band
Track is second to be taken from band's new album 'Four'
Singer says making album was 'visceral and confrontational'
The first single to be taken from 'Four' is now online
Yeasayer's Anand Wilder and Passion Pit's Michael Angelakos also make the Top 10
Kele Okereke and co will release their suitably named fourth album on August 20
Kele Okereke and co will play eight UK shows later this year
Kele Okereke and co revealed the first taste of new album 'Four' last night (June 19)