Context: In response to the pressure on Hot AC, a new kind of AC format cropped up among American radio recently. The urban adult contemporary format (a term coined by Barry Mayo) usually attracts a large number of African Americans and sometimes Caucasian listeners through playing a great deal of R&B (without any form of rapping), gospel music, classic soul and dance music (including disco).

Question: Who invented the term "urban adult contemporary format"?
Answer: Barry Mayo

Question: What demographic group is the urban adult contemporary format marketed to?
Answer: African Americans

Question: What style of singing is absent from R&B played on urban adult contemporary format stations?
Answer: rapping

Question: Along with R&B, gospel and dance music, what type of music is represented on urban adult contemporary stations?
Answer: classic soul

Question: Urban adult contemporary music came into being because of pressure on what previously existing format?
Answer: Hot AC