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.
Now the term R&B is almost always used instead of the full rhythm and blues, and mainstream use of the term usually refers to contemporary R&B, which is a newer version of soul and funk-influenced pop music that originated as disco faded from popularity.n 1948, RCA Victor was marketing black music under the name Blues and Rhythm. In that year, Louis Jordan dominated the top five listings of the R&B charts with three songs, and two of the top five songs were based on the boogie-woogie rhythms that had come to prominence during the 1940s.