Nashville Ysée: ‘The story of how I met Noel starts with a ring that I bought in Dalston market, London. The woman who sold it asked me what I did, and I told her I was a singer. She gave me the number of someone and said call him one day. I forgot about it and lost the bit of paper. Three weeks later, I found it on the floor. Called the guy; he’s like, “I don’t know who you are, I don’t care.” Then at midnight he called me back and said, “I have something for you” … I didn’t know him but he brought me to meet [Gallagher’s producer] David Holmes’