When you do something that is almost undefinable, how do you satisfy an intense demand for it? This is the situation Boards of Canada face on their new album, and it’s a testament to the cohesive creative vision the band have displayed over their career that they not only manage to meet the expectations, but in some cases exceed them. But for those who’ve been waiting for Tomorrow’s Harvest, there’s going to be a few surprises in store. Regardless of how you came to the band – long-term fan, or just swept up in the hype – Tomorrow’s Harvest…