Explore functional programming concepts through the lens of music composition in this engaging JSConf Budapest 2019 talk. Dive into the basics of functional programming, including array manipulation, closure, immutability, and function composition, while learning how to apply these principles to create music and musical instruments using the Web Audio API. Gain practical insights into functional programming techniques, presented in an accessible manner that bridges academic concepts with real-world applications. Follow along as speaker Adam Giese, a software engineer from Austin, TX, demonstrates how the fusion of music and web technologies can lead to innovative outcomes.