Nathan Gwin is a small, scruffy mouse. He is also an expert in the musical arts.Gillian is a clumsy waitress at the Sydney Opera House. She is also a virtuoso on the piano.Is Gillian the best pianist in the world? Could she more talented than the world famous Michel Luna? Nathan believes so.But is he brave enough to say hello to Gillian? And is Gillian ready to meet a mouse who can write text messages on her phone?Nathan really is a very clever mouse. . .