We’ve said it before and we’ll say it again: even remotely attempting to write a decent Christmas song is tricky business. Thankfully, there’s some acts more cut out for the job than others – acts like Dublin electro-pop trio Sleep Thieves, who have just released an ultra-lovely, synth-driven effort called ‘November Christmas’. A self-proclaimed “dreamy, bittersweet jam”, the track is diametrically opposed to any kind of festival frivolity – which, as you might expect, works very much in its favour. You can download the track now via Soundcloud.  Stream the track below and treat yourself to the band’s debut album,…