Thoughthecity was builtlongbefore the conceptofurban heat islands came into being, I can't help butwonder if the white paint has helpedgenerationsof Colombians to beatthe tropicalheat.
John Mayer joined Paisley for a guitar summit on "Beat This Summer" and Taylor Swift and Keith Urban joined Tim McGraw on stage for "Highway Don't Care, " which Urban finished off with a scorching guitar solo.