Sure, the irrefutable gig of the week has already happened but bearing in mind this feature prefers to focus on the weekend, let’s try and stay positive. As ever, Halloween is a massive weekend in all corners of the country with shows, one-offs and happenings of every ilk cropping up across the board. This year is no different. Here’s our five must-attend gigs. James Blake Limelight 1, Belfast/Olympia Theatre, Dublin Friday, October 28/Saturday, October 29 Having released his stellar third studio album, The Colour In Anything, back in May, these are positively unmissable Irish dates from the Grammy-nominated Londoner. Kiasmos (DJ Set) Saturday,…