Houston is not a song. It is a symphony composed by a diverse population and scored for an orchestra of talents and abilities. Its melody weaves a complicated tale that dances in and out of the rhythm that waxes and wanes with the music. The busy violins sing the song of those who labored to build the city, its leafy boulevards and wide streets, its parks and its homes. The beat of the percussion section are the workers who lay down a complex, continuous cadence - a base for the melody and harmony. Above it all is the high sweet theme of philanthropy and giving - the signature tune of a city...