Debbie Boone in 1977 for the movie of the same name. http://en.wikipedia.org/wiki/You_Light_U... You Light Up My Life was a song written by Joseph Brooks and performed by Kasey Cisyk. Source(s): http://en.wikipedia.org/wiki/You_Light_U...
Brand Extension Definition: The Brand Extension is the marketing strategy wherein a new product is launched under the existing brand name. The category in which product is launched may be related or unrelated to the brandâs current category.
Brand extension or brand stretching is a marketing strategy in which a firm marketing a product with a well-developed image uses the same brand name in a different product category. The new product is called a spin-off.rand extension is one of the new product development strategies which can reduce financial risk by using the parent brand name to enhance consumers' perception due to the core brand equity.