Please answer the following question: What key details about lis lewis can be extracted from the following bio? Bio: lis lewis is an american voice teacher , author and performance coach . lewis 's clients include gwen stefani , rihanna , courtney love , britney spears , colbie caillat , linkin park , demi lovato , tyson ritter of the all-american rejects , the pussycat dolls , and jack black .
A:
- instrument is voice , piano , guitar- website is http://www.thesingersworkshop.com- origin is new york city , usa- name is lis lewis- background is solo_singer- image is lis lewis -lrb- headshot -rrb- . jpg- occupation is voice teacher and performance coach , author