Infno is an algorithmic generator of electronic dance music (EDM) and synth pop fully implemented in Super-Collider 3, the latest generative music work in a line of ‘Infinite Length Pieces’. The program attempts to model the production of electropop and dance music styles with a closer union of parts than typical in many previous algorithmic composition systems. Voices, including a percussion section, bass, chord and lead lines, are not independently created; the parts, generated in any order, are influenced by underlying harmonic ideas, rhythmic templates and already generated lines. In particular, dynamic programming is used to select melodic lines under cost constraints of register, harmonic template, existing voices and voice leading heuristics.