The people shuffling along the pavements outside SARM Studios don’t have any clue of what they’re missing out on as they breeze past the building.

Then again, were it not for a special invite, Music Week would be in the exact same boat – completely oblivious to the fact that gathered inside is a congregation of some of the world’s biggest songwriters.

For four days, over 40 hitmakers have descended upon SARM at the behest of Spotify to participate in ...