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.
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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
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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
The diagram is still missing.
Is it a good idea to sing with the tuner to see if we are hitting the right root note?
Do you mean a clip-on tuner you put on the guitar? That works by sensing the vibrations of the instrument when you pluck a string. It has nothing to do with voice unless you can clip it on your neck, tongue or lips, but even then it’s very unlikely to show the correct pitch. 
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It’s better to use your ears and guitar. Your vocal chords hit more than one note at a time so hearing the correct pitch against a single note will train your ears to find the correct pitch. When singing you don’t need to hit the same pitch as the guitar, you need to be in the same key.
This is the biggest mistake people make when learning to sing and play.
Thanks
Thanks. What does it mean to be in the same key. I am sure it is discussed somewhere or there is a Justin video on the same. If you can direct me there also it would be fine. Absolute beginner question, kindly let me know.
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When training you’re ear it is a good idea to use a tuner to properly tune your guitar properly. When you then sing a note in harmony with your acoustic guitar and feel the resonance physically, it is a special feeling and training effect. This is much better than using the pitch tuner on your smartphone.
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