K: Amin T: 145 TS: 4/4 INST: SynthLead, Piano, SynthBass, Drums, Strings Mood: Nostalgic, whimsical, and emotionally diverse, ranging from gentle and hopeful to intense and dramatic. Structure: Looping A-B Structure **Summary:** This music description points to the distinctive style of composer Toby Fox's soundtracks for the video games *Undertale* and *Deltarune*. The style is a masterful blend of 8-bit and 16-bit "chiptune" aesthetics with more contemporary elements, creating a sound that is both nostalgic and emotionally rich. The instrumentation is highly varied; while synth leads and sampled drums form the chiptune core, piano is frequently used for poignant, character-driven melodies, and sampled strings are brought in for epic and dramatic moments. The defining characteristic of this music is its strong reliance on memorable melodies and leitmotifs—where a single musical theme is reprised in different keys, tempos, and arrangements throughout the game to represent a character or concept. The parameters chosen above are representative of a typical upbeat area or standard battle theme, but the actual soundtracks feature a wide range of tempos and moods, from slow, ambient pieces to hyper-fast, intense boss battle anthems. The structure is often a looping A-B pattern, common in video game music, designed to play seamlessly in the background.

Model: gemini-2.5-pro