You know you’re at a British Sea Pow­er gig when there’s some slight­ly weird stuff at the merch stall and the stage is full of foliage.  The band’s new March release Let The Dancers Inher­it the Par­ty has had pos­i­tive reac­tion from fans – it’s a tri­umphant, upbeat and play­ful col­lec­tion, designed to give us hope in these dark times,…