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Rev

What are the triangles and p's in the notation in that image? I haven't seen that before.
– temporary_user_name
Commented Jun 28 at 21:22
3

And, well, of course there are always alternate and perfectly valid methods for learning guitar...
– musicamante
Commented Jun 28 at 23:34
1

@Tim I can’t say for sure but it is a jazz/contemporary origin, probably Berklee College of Music.. They have been using triangle for major and dash for minor for decades, but mostly for chord changes.
– John Belzaguy
Commented Jun 29 at 14:42
1

@Tim: If one spaces twelve tones equally around a circle, the three notes of a stacked pair of major thirds (as occur between the third, fifth, and seventh of a major seventh chord) will be the vertices of an equilateral triangle.
– supercat
Commented Jul 1 at 17:24
1

@supercat - great, now explain o for diminished...
– Tim
Commented Jul 1 at 17:49

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Correct minor typos or mistakes
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create code fences with backticks ` or tildes ~
```
like so
```
add language identifier to highlight code
```python
def function(foo):
print(foo)
```
put returns between paragraphs
for linebreak add 2 spaces at end
_italic_ or **bold**
quote by placing > at start of line
to make links (use https whenever possible)
<https://example.com>
[example](https://example.com)
<a href="https://example.com">example</a>

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