Melody generation uses AI to create memorable musical tunes — generating single-note sequences that form the main theme or hook of a song, with control over key, scale, rhythm, contour, and emotional character, providing the foundation for musical compositions.

What Is Melody Generation?

• Definition: AI creation of single-note musical sequences.
• Output: MIDI note sequences, musical notation.
• Constraints: Key, scale, rhythm, range, contour.
• Goal: Catchy, memorable, emotionally resonant tunes.

Melodic Elements

Pitch: Note frequencies (C, D, E, etc.). Intervals: Distance between notes (steps, leaps). Contour: Overall shape (ascending, descending, arch). Range: Highest to lowest note span. Rhythm: Note durations, timing patterns. Phrasing: Musical "sentences" with natural breaks.

AI Techniques: RNNs/LSTMs for sequential generation, transformers for structure, constraint-based for music theory compliance, VAEs for interpolation between melodies.

Applications: Songwriting, jingles, ringtones, game music, therapeutic music.

Tools: MuseNet, Magenta MelodyRNN, AIVA, Hookpad.