You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "who is the woman singing on dark side of the moon?" whose answer is Clare H. Torry.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who sang the female backing vocals on pink floyd dark side of the moon
Useful Output:

Doc 1: Sara Nicklin, left, and Vanessa Maly are singers who will perform the backing vocals from “The Dark Side of the Moon.”
Doc 2: ” Dark Side's most dynamic track featured vocal backing by four female singers – Doris Troy, Leslie Duncan, Liza Strike and Barry St. John
Doc 3: Clare Torry is a British singer, best known for her soulfully evocative wordless vocals on Pink Floyd's “The Great Gig in the Sky” on the 1973 album The Dark
Doc 4: John (real name Eliza Janet Thomson), who sang on Pink Floyd's The Dark Side Of The Moon. She released a number of singles in the 1960s before
Doc 5: ” The song's a classic rock staple featuring a great guitar solo by Gilmour and a swell female backing vocal, but when it comes to shallow