This was Dave The Cook's final appearance, because actor William J. White reportedly suffered from back problems. A few episodes later his job as Cook was taken by Eugene (aka Not Dave).
The band at Winterfest is covering the Chicago song "25 or 6 to 4".
"Je me souviens". In the 1880s a new Parliament Building was designed and built. Features on the building were to commemorate Quebecois heroes and traditions. Under the centrally located Quebec Coat of Arms was the line "Je me souviens", I Remember (the heroes and traditions of Quebec). With time, those three words became so important and ubiquitous that everyone forgot their original meaning.