Wilfired, the Victorian army (and onwards), unlike the Continentals, wasn't a singing army. On the march, sure, but hardly around the campfire. See Farwell's "Mr Kipling's Army".
George macDonald Fraser, writing about his days in WW2 Burma, recalls only one instance ever when they did so.
Regiments with large number of Welsh may be the exception, but I'm not sure.