Harper shocked the audience by coming on stage and sitting at a grand piano. With Ma on cello, along with two guitarists and a drummer, they performed the classic Beatles hit, with Harper providing the lead vocals.
CBC's Evan Solomon, who attended the gala, said Harper's performance stunned and wowed the crowd, and received high praise even from members of opposition parties who were also there for the evening.
Click on the link below to enjoy Ottawa's got talent
Prime Minister of Canada sings a Beatlles song