A music representation model based on relative pitch and relative time length was proposed. This model well represented the same melody under different performance conditions.

提出了一种基于相对音高和相对时延表达音乐旋律的模型，这种模型能够更好地反映不同演奏方式下的同一旋律型。

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The same term is more loosely used for singing of the same melody, for example, by men and women together, usually an octave apart, and more accurately described as singing in octaves.

对于旋律，一度的界定更宽松，比如，男人和女人一起演唱，通常单独的八度更能确切描述八度演唱。

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The chorus and melody come at the same time, but I didn't really sing my songs for many people back then.

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The two gradually work toward getting on the same page, delivering the famous Arthur Johnston melody with passion and flair.

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