Original synthesized cup-like percussion input, 8 seconds. Use as Sample only if the account exposes it; log selection times. Style: light rhythmic composition with audible percussion. Record inherited/changed/uncertain elements without claiming exact sample reuse.

1. 试听原创合成杯音节奏，或自录敲杯声，记录敲击时间点
2. 确认当前账户有Use as Sample并选中自有录音
3. 设置实际采样区间，保存选区与原声对照
4. 加入原创歌词和风格描述后生成短样曲
5. 回听原始重拍与结果节奏，标注保留、改变和无法判断处
6. 下载真实输出、输入、范围参数与试听表，避免把普通上传冒充Sample

Target account execution: not performed. Save actual output separately.
