The one with
An ideal song for the start of the year - and we’ll hear two different versions (well, a bit of another one)
Four duos except that one of them has become a trio, and one used to be. Confused...?
Two instrumentals - one reflecting winter weather while the other’s for dancing to get warm
A traditional song from several people you might not expect to sing one
Something from World War I given that this year marks the end of that conflict