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十四天乐理知识进阶学习笔记之四:调性的基石—大调音阶

  • 2026-02-26 08:18:26
十四天乐理知识进阶学习笔记之四:调性的基石—大调音阶

🎯 今日主题:调性的基石——大调音阶

1

概念系统化梳理

1

音阶


一组按固定音高顺序排列的音,是音乐创作的素材库。

2


以某个音为主音(起点和中心),并按照特定音程关系(如大调公式)排列形成的音阶体系。

它决定了音乐的“中心”和色彩基调。

3

大调音阶


最常用、色彩明亮、稳定的音阶体系。

4

万能公式:全全半全全全半


这是所有大调音阶的DNA。无论从哪个音开始,只要按照这个“步长”顺序走,就能得到该调的大调音阶。

2

音乐实践:键盘探索

从C到G和F

1

任务一

验证C大调(最标准的模型)
在钢琴APP上,从中央C开始,用公式走一遍:
1. C (主音,起点)
2. C → D (全)
3. D → E (全)
4. E → F (半)
5. F → G (全)
6. G → A (全)
7. A → B (全)
8. B → C (半)

刚刚弹奏的就是没有任何升降号的 C大调音阶。它的音全是白键,是理解一切的完美模型。

2

任务二


推导G大调(第一个升号调)

让我们以 G 为主音,用同一个公式搭建音阶。在键盘上找出每个音。

1. G (主音)
2. G → A (全)
3. A → B (全)
4. B → C (半)
5. C → D (全)
6. D → E (全)
7. E → ? (全 → 按公式这里需要一个全音,但E到F是半音!)
8. ? → G (半)

关键问题:在第7步,为了满足“全”的要求,我们必须将F升高半音,变成 #F。这样,E → #F 才是全音,并且 #F → G 正好是半音。
结论:G大调音阶 = G A B C D E #F G。它的调号是一个升号 (#F)。
注:调号,就是记在乐谱每行开头(谱号后面)的一组升号(#)或降号(b)。它的作用是告诉你:在这首乐曲中,哪些音要一直升高或降低,直到曲终。

3

任务三


挑战F大调(第一个降号调)

尝试以F为主音,独立推导。推导完成后核对下方答案。


答案:F大调音阶 = F G A bB C D E F。它的调号是一个降号 (bB)。

3

听觉日志:用耳朵验证理论


1. 在APP上选择任意一个白键作为主音(比如D)。

2. 心中默念“全全半全全全半”,在键盘上一步步按出音阶。

3. 听弹出的声音,检查它是否具有明亮、稳定的大调色彩。如果不顺,检查是哪一步的“全/半”关系错了。

4

核心原理:为什么音阶如此重要


音阶是一个调里所有和弦的“母体”。
我们在十四天乐理知识进阶学习笔记之三:三和弦——用两个“三度”搭建的声音色彩这一篇学过的C大调和弦家族(C, Dm, Em, F, G, Am),每一个和弦的音都完全来自C大调音阶。

理解音阶,就明白了这些和弦从哪里来,为何能和谐共存。

5

常见误区


· 误区1:“大调音阶就是‘哆来咪发嗦拉西哆’?”

  → 纠正:“哆来咪…”是唱名,它可以是任何调。 C大调的“哆”是C,G大调的“哆”是G,音高不同。固定的是它们之间的“全全半…”关系。

· 误区2:“有黑键的音阶就不‘纯’了?”

  → 纠正:完全错误。 除了C大调,几乎所有调都需要黑键来满足“全全半”的公式关系。黑键(升降音)是构建不同调的必备材料,没有高低之分。

· 误区3:“调号那么多,怎么记得住?”

  → 纠正:不需死记! 掌握“五度循环圈”的规律(后面会学)和今天的推导方法,可以推出任何调。

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  1. CONNECT:[ UseTime:0.000615s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000771s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.028237s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000288s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000708s ]
  6. SELECT * FROM `set` [ RunTime:0.000269s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000726s ]
  8. SELECT * FROM `article` WHERE `id` = 470552 LIMIT 1 [ RunTime:0.005574s ]
  9. UPDATE `article` SET `lasttime` = 1772074082 WHERE `id` = 470552 [ RunTime:0.018058s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.009508s ]
  11. SELECT * FROM `article` WHERE `id` < 470552 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000686s ]
  12. SELECT * FROM `article` WHERE `id` > 470552 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000529s ]
  13. SELECT * FROM `article` WHERE `id` < 470552 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001181s ]
  14. SELECT * FROM `article` WHERE `id` < 470552 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001218s ]
  15. SELECT * FROM `article` WHERE `id` < 470552 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001065s ]
0.166004s