Rae Russell plays 'Humoresque' on the harp and 'Annie Laurie' on the piano at the same time.
Titles read: "Pulling the Strings - Some play the harp, some the piano - but Miss Rae Russell plays both ... together. She says "Humoresque" on the harp is harmonious with "Annie Laurie" on the piano."
London (probably Pathe studio).
Various shots of Rae Russell sitting and playing 'Humoresque' on the harp. Part of the way through the tune, she plays a snatch of 'Annie Laurie' on the grand piano beside her.