A site with summaries
http://wwwstud.rz.uni-leipzig.de/~pge97cfh/index.html
of some of Forster's most famous works, as well as a biography and e-text of four novels.
The Question and Answer section for A Room With a View is a great resource to ask questions, find answers, and discuss the novel.
Lucy is tranformed while playing the piano.... while playing, Forster's description paints a picture of an enthusiastic, young woman filled with passion..... something completely different than the passive, young woman she presents to the world.
Chapter please? Also, please confirm the title of the novel you are asking about.
Lucy and Miss Lavish lose their way. This makes Lucy terribly nervous, but Miss Lavish is excited about the prospect of an adventure.