He was the manager of Foster and Allen, a popular singing duo that enjoyed success inside and outside of Ireland.
Hennessy's own musical compositions have been recorded by a wide range of artists such as The Furies, Foster and Allen, Daniel O'Donnell, Diarmuid O'Leary and the Bards and Max Boyce.
Woody Allen | Allen Ginsberg | Jodie Foster | David Foster | Tim Allen | Allen County, Indiana | Allen County | Steve Allen | Stephen Foster | John Foster Dulles | Peter Allen | Ethan Allen | Paul Allen | Debbie Allen | Booz Allen Hamilton | Al Foster | Tony Allen | Norman Foster | Irwin Allen | Aboite Township, Allen County, Indiana | Wayne Township, Allen County, Indiana | Lily Allen | Tony Allen (musician) | Rube Foster | Joan Allen | James Foster | Gracie Allen | David Foster Wallace | David Allen Sibley | Foster and Partners |
Music from Ding Dong Denny O'Reilly and VT inserts from various Irish personalities including Gerry Ryan, Nell McCafferty, Foster and Allen, PJ Gallagher, Mary Black with their memories and opinions of Podge and Rodge.