Adele has given a preview of ‘Hold On’, another new track from her upcoming album ‘30’, in Amazon’s Christmas advert.The ad, which premiered today (November 8), is soundtracked by the gentle piano-led ballad.“I swear to god I’m such a mess / The harder that I try, I regress,” Adele sings on the track, adding later: “Right now, I truly hate being me.”“Let time be patient / Let pain be gracious / Just hold on, just hold on / I will survive,” the pop star sighs towards the song’s end.The commercial