节奏
"節奏是一種以一定速度的快慢的節拍，主要是use difference of speed and tone把它們組合到一起。例如，2/2拍就是強弱拍，...「嘭恰」，那麼3/4拍是強弱弱，...「嘭恰恰」，圓舞曲大部分就都是3/4拍的了，4/4拍是強弱漸強漸弱。節奏可以獨立被欣賞，例如鑼鼓演奏。節奏也可以成為旋律音樂的骨架。節奏的組成:1.模式的規則與不規則 2.聲音的長短 3.聲音的強弱 4.聲音的有無 1/2拍: ta , 1/4拍: ti "
"旋律是由一系列不同音高（也可以相同）的音以特定的高低關係和節奏關係聯繫起來的一種音的序列。旋律對於人的聽覺感觀來說相當於視覺感觀中的線條的概念。旋律是體現音樂作品的思想感情的主要元素之一。旋律進行中出現的高高低低的音通過節奏的變換形成的一種線條性的錯落組織，叫作旋律線，將樂譜中的音高位置用線條連接起來，就是一條形象的旋律線。也就是說，旋律是和節奏緊密聯繫的。一般來說，上行的旋律逐步傾向於緊張，而下行的旋律逐步傾向於放鬆。"
"不一律/偶然：突然的,不是经常的;意想不到的 .通常把偶然性視作事物的一個屬性。比如很可能發生的事情可被描述為「很可能發生」，而對必然不發生的事情可以說「偶然性為零」。這裡的零並不意味着我們已經量化了偶然性，或者對偶然性作出了任何度量，因為這需要引入概率的定義。 probability 一詞可指事件可以發生或不發生這種性質（可能性），也可以指這種性質的度量（概率）。"
节奏... The principles of design help to determine how to use the design elements. There are four principles of design: balance, emphasis, rhythm, and unity. Picasso once said he must avoid 偶然, ...I guess it means that 偶然 is usually in contrary with 节奏. An artist also said that he wish to catch a happy accident, these two are in accordance.
As an artist I have trained with some kind of sense of 节奏, a fairly good result in stock speculation is inevitable. Speculation as a fine art and thoughts on life is a book wrote by Dickson G. Watts in around 1880.
Once I practiced tennis solo, it was a lifeless start, then I started shouting; "1234, 5678, 2234..." with that kind of 节奏 I felt motivated. Wang Luoyong urged him to speed pronunciation with a metronome, this enlightened me to paint with music or a song.
Back to the title, what are these words of 节奏, 不一律? (two words started with r)
