Ms Anderson, who graduated from school last year, is an avid multi-instrumentalist working on her own content for a streaming EP.
"Bill started teaching me the cornet about 10 years ago," she said.
Mr Cross said he had been playing Last Post in Balclutha for longer than he could remember.
"Back when all the First World War fellows were dying, I was playing the Last Post up at the cemetery sometimes twice a month," Mr Cross said.
But with Ms Anderson coming along, perhaps he will not be so busy.
Returned and Services Association spokesman Barry Gooch said he had been hoping more young people would attend the ceremony, which marked the 1918 armistice that ended World War 1.
"Young people especially are encouraged to join us and raise awareness of the tradition and its meaning, for their own generation as much as past and future ones," he said.
About 30 people gathered before 11am at Balclutha’s John St Cenotaph to mark Armistice Day with a solemn ceremony led by RSA members.
