In this lesson we learn to hear, sing and play The Perfect 4th Interval.
View the full lesson at The Perfect 4th Interval | JustinGuitar
what about coming down and playing the higher note then lower note?
The diagrams are broken on this section, I do not see it on my side.
Hi @miichaelp
Conventionally intervals are counted from the lower up to the higher pitched note.
That is not to say they can not be counted down in pitch - they can be and are.
But for most purposes, especially when learning, up is the direction used.
Cheers 
| Richard_close2u | Community Moderator, Official Guide, JustinGuitar Approved Teacher
Hello @letsgotho and welcome to the community.
What diagrams do you mean please?
Cheers
| Richard_close2u | Community Moderator, Official Guide, JustinGuitar Approved Teacher
I think there’s supposed to be a guitar chart here like there was for the video before this for the Perfect Fifth Interval, but it’s replaced by xx’s on my screen.
Thanks @letsgotho I see now, and I will report it to add to the ‘fix list’.
@FannyJustinGuitar … email sent.
Cheers 
Richard
Just wondered if there was any news when the missing diagrams will be added.
Michael
while practicing this I was able to figure out the riff from Otherside!! This will be my reference for the Perfect 4th, I figured other RHCP fans would find that useful!
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Yet to fix as April 2023