input: Ahmet_Ertegun | origin | United_States Ahmet_Ertegun | genre | Rhythm_and_blues Ahmet_Ertegun | deathPlace | New_York_City Rhythm_and_blues | derivative | Disco United_States | ethnicGroup | African_Americans
target: Ahmet Ertegun is from the United States, where African Americans are one of the ethnic groups. His musical genre was rhythm and blues, which disco is a derivative of, and he died in New York City.