AI 広告音楽生成器

Design a tiny musical signature that can be hummed from memory. Phrase 1: dry marimba, three original notes rising. Phrase 2: soft synth, a lower answer that feels settled. Repeat phrase 1 once, now with a warm bass accent; close on a single resolved chord with a short tail. The brand feels friendly and modern. Keep a simple pulse and enough empty space to hear each note's shape. This is instrumental sonic-identity material: no voice, drum build, long intro or solo.

The listener must be able to repeat the product name and one benefit after this ad. Give the spoken message a quiet, even middle, supported by muted guitar, rounded bass and light rim clicks. A short piano motif may introduce the product and return at the close; between those appearances, it becomes sparse chord support. Instrumental 4/4 near 100 BPM, friendly and precise. Keep fills sparse and exclude singing or sudden swells that could pull attention from the words.

Jingle lyric brief — Japanese, reusable lunchbox, a busy morning. One message: packing lunch is a small act of care. Sing the refrain first; follow with one line about the morning rush, then repeat the hook and stop cleanly. Use a clear lead and a brief answering refrain, natural word stress and mostly stepwise notes. Acoustic-pop at 108 BPM in 4/4: bright guitar, compact bass, handclaps. Keep it friendly and immediately singable, without a long verse or ornamental vocal runs.

Intimate observation → quiet confidence: score that emotional distance for a brand story. Begin with close felt piano alone at roughly 82 BPM in 4/4. Low strings enter beneath its next phrase; let wider harmony, rather than huge drums, make the same motif feel more assured. Leave the middle open for narration. At the close, hear the piano clearly again. Keep the instrumental texture warm and acoustic, the dynamics measured, and avoid choir or trailer impacts.