The GRAMMYS CATEGORY crossword solutions are RAP and ROCK. RAP is a genre of music that originated in the United States in the 1970s and is characterized by its use of rhyming lyrics and rhythmic beats. It has become one of the most popular genres of music in the world. ROCK is a genre of popular music that originated in the 1950s and is characterized by its use of electric guitars, drums, and bass. It has been a major influence on many other genres of music and continues to be popular today.