The young British jazz chanteuse Emily Saunders burst onto the London scene in the early 2010s with her sultry Latin rhythms, classy songwriting, and a remarkable ability for extended vocal improvisational technique that saw her widely praised by both niche and mainstream press. Born into a musical family -- her grandmother was a classical pianist, her sister a composer, and her father a conductor and arranger -- Saunders took to playing the piano and composing songs at an early age before developing a fascination with improvisation and going on to study jazz voice at London's...