sentences:  In the same week he would often perform with groups in jazz, R&B, funk, rock, jazz fusion, blues, country, and folk.As the Washington D.C. music scene continued to thrive in the 1970s, Holloway joined popular R&B groups the Sounds of Shea and Mad Dog and the Lowlifers.In 1974, Holloway went to see Freddie Hubbard in concert and brought an audio cassette tape he'd made while rehearsing to one of Hubbard's recordings.