雅马哈钢片琴教学视频课程（入门到进阶）

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• time_range：{"from":"2026-06-25 23:43:18","to":"2026-06-25 23:43:18"}
• intros：{"brand_intro":"雅马哈（Yamaha）成立于1887年，是全球知名的乐器制造商，业务涵盖钢琴、电子琴、管乐器等。其教学视频以专业、系统著称，由资深音乐教育者设计，结合高清示范和乐理讲解，深受初学者和进阶学习者信赖。品牌注重技术创新与艺术传承，在中国市场拥有极高声誉。","product_intro":"该钢片琴教学视频课程专为儿童和成人设计，覆盖从基础音阶到经典曲目演奏的全过程。课程包含30节高清视频，每节15-20分钟，由雅马哈认证讲师授课，配有乐谱下载和练习提示。内容注重手型、节奏和音乐表现力，适合零基础入门和巩固提升。","key_specs":["课程节数：30节","单节时长：15-20分钟","适用年龄：5岁及以上","语言：中文普通话","配套资源：电子乐谱+练习音频","设备要求：手机/平板/电脑均可播放"]}
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