Music interconnects with an individual’s lived experiences, shaping their worldview and their place in society. Similarly, extremist ideologies historically aligned with specific ideological beliefs stemming from shared spaces or communities with direct physical exposure to available narratives. Because of global connectivity there has been a significant transformation in 21st century America, leaving generations of young Americans to their own devices to consume extremist propaganda without the usual social constraints or consequences. Through review of extremist manifestos and interviews this thesis explores how music provides a medium for the convergence of multiple ideological elements presented through familiar music paired with elements of extremist ideology using images, videos, lyrics, and other music (often referred to as a “mashup”) for the purpose of motivating singular acts of violence in support of an extremist agenda. research has found that fringe and mixed, unclear, and unstable (MUU) ideologies are merging to create a phenomenon of ideological mashups amongst the far-left and the far-right with a common goal: violence against the U.S. government. As these musical compositions blur the boundaries between artistic expression and extremism, it becomes imperative to further dissect their messaging and influence on vulnerable audiences to counter extremist violence in America.Distribution Statement A. Approved for public release: Distribution is unlimited.Civilian, Oregon State Polic