Dressed in Ancient Campbell tartan jackets, they released several albums, EPs, singles and cassette tapes for both the Beltona/Decca and Lismor Recording Companies.
Colin also worked with many other leading Gaelic singers including Donald Macrae, Calum Kennedy and Norman Maclean.
They were also invited to Canada three times to star on a series called Ceilidh which reached number one on the Canadian Network.
The next visit was a year later in 1974, again with Calum Kennedy, also Helen MacArthur (soprano) and Campbell also played along with The Cape Breton Fiddlers.
The third and final visit was in 1975 and joining them on this trip were, Alasdair Gillies, and Robin Hall and Jimmie Macgregor.