Glucose Tolerance Test (GTT). GTT is an abbreviation for Glucose Tolerance Test, which is a measure of the amount of glucose present in the blood stream of a person at the time the test is taken. This test is usually done to check for glucose related problems like hyperglycemia or hypoglycemia in the patient.
Contemporary R&B, also known as simply R&B, is a music genre that combines elements of rhythm and blues, soul, funk, pop, hip hop and dance.
A&R stands for artist and repertoire.. For record labels, the A&R reps are the people who find new artists and sign them to the label. In reality, of course, there may be more than one person involved in the decision to sign a musician or a band to the record label.