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.
R&B Memorial Site: Notable Deaths & Obituaries. View All 79 Memorials for the R&B Site. R&B â rhythm & blues â originated as a mix of jazz, gospel and blues, but has gone on to incorporate influences from funk, hip-hop, and even rock music.