The new album of Honduran singer Aurelio Martinez hasn’t got a title yet, or a record label, and will probably come out next year. But already there’s enough buzz about him and it for his UK debut to bring out the great and good from the world music scene. Editors, PRs, DJs, record company types, promoters and journalists were out in force on a rainy December night last Friday in the decidedly un-fiesta-like atmosphere of Islington’s Union Chapel.