Aaron Barker (born March 5, 1953 in San Antonio, Texas) is an American singer-songwriter.Barker has written number one songs for George Strait ("Baby Blue", "Love Without End, Amen", "Easy Come, Easy Go") and Lonestar ("What About Now"). His songs have also been recorded by Doug Supernaw, Clay Walker, Neal McCoy, Aaron Tippin and others. Barker turned "Love Without End, Amen" into a book in 2002.