# barbershop quartet

> a cappella close harmony singing group

**Wikidata**: [Q20715189](https://www.wikidata.org/wiki/Q20715189)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Barbershop_quartet)  
**Source**: https://4ort.xyz/entity/barbershop-quartet


## References

1. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
2. National Library of Israel Names and Subjects Authority File