Simplify the following text for a Grade 5 native English-speaking person.
Original: In October 2006 , Apple added a Starbucks Entertainment area to the iTunes Store , selling music similar to that played in Starbucks stores .
Simplified: Some American cities have many Starbucks stores . Starbucks is known for growing its number of stores fairly quickly , often to a point where there are two Starbucks within a few blocks of each other .