sentences:  Since the 1990s it has been at the heart of the Hoxton national (digital and design) arts and media hub, as well as hosting entertainment, with globally eclectic musicians, actors and dancers.Most of the square's buildings, quite tall for the Victorian age, diverge in use, with many floors converted to bars, restaurants and offices and at least one live music club of note.One of the square's 18th-century residents, John Newton, composed the popular hymn "Amazing Grace".