术语 originally coined by Percy Grainger to 描述 樂/乐 without 固定 音高 节奏 or 音色 创作 on homegrown 技术 and featuring gliding 音 reminiscent of wind in the telegraph wires In 互联网 术语 樂/乐 that is 自由 to the 用户 in the same way that 'freeware' or 自由 软件 is available for unrestricted download This represents a utopian anarchic vision of 自由 available 樂/乐 创作 copying and 分布 independent of 商业 imperatives