Men of Harlech is an Australian pub choir made up of around 15 men of Welsh descent who would sing in pubs around the Cronulla/Farfield area.
Their single "Charlie's Getting Married At Last" reached #57 on the Australian singles chart and #16 on the New Zealand charts.
[1] Jim Manzie (Ol' 55) had the song, which was written by Jarryl Wirth, and after chatting with lead singer Dennis Watkins convinced them to record it.
The single, a tribute to Prince Charles and Lady Di, was recorded in a single day costing $1500.
[2][3]