四弦琴

The ancient Greek modes were based on tetrachords, which are sets of four notes.
古希腊的调式基于四音列，即一组四个音符。
In music theory, a tetrachord is a segment of a diatonic scale comprising four notes.
在音乐理论中，四音列是大调音阶的一部分，包含四个音符。
The major tetrachord consists of the first four notes in a major scale.
大调四音列由大调音阶的前四个音构成。
Modal jazz often explores the use of tetrachords to create unique harmonic structures.
模态爵士乐常利用四音列来构建独特的和声结构。
The ancient Mesopotamian music was believed to have been based on complex tetrachord systems.
古代美索不达米亚的音乐被认为是以复杂的四音列系统为基础的。
By combining different tetrachords, musicians can create a wide variety of melodies and harmonies.
通过组合不同的四音列，音乐家可以创作出多样的旋律和和声。
The tetrachord is a fundamental concept in the study of non-Western musical scales.
四音列是非西方音乐音阶研究中的一个基本概念。
In Indian classical music, specific tetrachords, or "ragas," evoke particular moods or emotions.
在印度古典音乐中，特定的四音列，或称“拉格”，能唤起特定的情绪或情感。
A tetrachord can be inverted, changing the intervallic relationships between its notes, leading to new sounds.
四音列可以被倒置，改变其音符间的间隔关系，从而产生新的音响效果。
The study of tetrachords helps musicians understand the building blocks of more complex musical constructs.
研究四音列有助于音乐家理解更复杂音乐结构的基本要素。