It's not long until Sam Smith's Bond theme for 'Spectre' is released.

'Writing's on the Wall' is available in full this Friday, but the singer has teased a few seconds of it to build anticipation. With those strings, it sounds like a classic Bond theme - none of this modern Madonna or Jack White & Alicia Keys silliness.

Smith previously described being chosen to sing a Bond theme as "one of the highlights of my career", adding "I am so excited to be a part of this iconic British legacy and join an incredible line up of some of my biggest musical inspirations. I hope you all enjoy the song as much as I enjoyed making it."

It was recently revealed that Smith recorded the song way back in January.

Hear an orchestral snippet of the song below: