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.
Line Extensions occur when a company introduces additional items in the same product category under the same brand name such as new flavors, forms, colors, added ingredients, package sizes.This is as opposed to brand extension which is a new product in a totally different product category.Line extension occurs when the company lengthens its product line beyond its current range.ine Extensions occur when a company introduces additional items in the same product category under the same brand name such as new flavors, forms, colors, added ingredients, package sizes.