In 2018, I collaborated with two of my favourite musicians; Ailsa Tully and Hana Stretton. Four years later, we’re releasing the demos to aid flood relief in Pakistan. Hana’s studio was hidden in an alcove at the bottom of her leafy, overgrown garden, and I still remember the first time I entered. It was as any art studio should be; a canvas of ideas, a splash of drum heads here, a lick of assorted microphones there. The centrepiece…