Brand identity marketing is very important when selling a product because it is what connects you to the consumer. Brand identity marketing is a way to make a commercial, a tune, or logo that people attribute to your company or product. Something catchy is what you want because you want the customer to identify you by this identity even if your name wasn't listed on anything. You can learn more
. about brand identity at http://marketing.about.com/od/marketingglossary/g/brandiddef.htm. You can also read some tips and a description at http://www.fuelnet.com/category/daily/brand_identity_marketing/.