2014, Alan Argent, Elsie Chamberlain: The Independent Life of a Woman Minister, Routledge, →ISBN, page 203:
When leading worship, Elsie usually wore a long black cassock and preaching bands. This would, of course, save her from the worry of choosing a suitable costume.
[2020, Ibrahim Abraham, Christian Punk: Identity and Performance, Bloomsbury Publishing, →ISBN:
Musicians who identify as being part of a “Christian band,” also referred to as a “preaching band,” argue that “Christians in a band,” Christian musicians who do not call themselves a “Christian band,” are insincere because they keep quiet about their Christianity.]