Entertainment Tweet by @SheffCityHall Published Jan. 8 2021 03:27 PM Multi-platinum selling vocal harmony group, @the_overtones are delighted to announce their 10th Anniversary Tour and will be stopping off at Sheffield City Hall on Sunday 12 Dec 2021.Tickets & more info here 👉 https://t.co/fStxjGAxTW, — Sheffield City Hall (@SheffCityHall) January 08, 2021 15:27