Artificial intelligence and machine learning touch every aspect of Spotify’s business. It is used to help listeners discover content via recommendations and search, create unique user experiences, extract rich signals for understanding our content, serve ads, develop business metrics, and more. Central to these endeavors is a commitment to cultivate expertise as we advance the state of the art in artificial intelligence and machine learning methodology and applications. Of particular interest are approaches in generative AI, LLMs, reinforcement learning, and causal learning.