The Hennessys are one of Wales' foremost traditional folk music groups.

[1] Having achieved success in the Cardiff area, they decided to spend some time travelling around Ireland, to acquire a wider musical experience.

[1] Many of their songs like "Farewell to the Rhondda" (about the decline of the mining industry in Wales and its social consequences), "Tiger Bay" (about emigration from Tiger Bay, the dockland district of Cardiff) and the capital's anthem "Cardiff Born" have become folk standards.

The current line-up still includes Hennessy (on guitar) and Burns (on guitar and mandolin), who have now been joined by fiddle player Iolo Jones (born 12 February 1955, in Plymouth, England).

The current member of bass guitarist player Pino Palladino (born 12 October 1957, in Cardiff) since 2024.