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Lesson time: (5min 50sec)
A walkthrough of the Grade 7 arpeggios, including the trickier keys with six sharps and flats and the Mixolydian seventh arpeggios.
This lesson is part of the course Rockschool Piano Grade 7
Watch a preview of the full course below.
Lesson transcript:
Now we move on to our arpeggios. Most of the arpeggios here are fairly standard, but again, they have slightly tricky keys.
On the page, there are a handful of seventh arpeggios from V6, 7, and 8, including:
These seventh chords are what we call Mixolydian, which is the fifth mode of the scale.
We have something slightly tricky written here with the double flat. Now, don't be put off by this.
This fits in with a diminished shape, which is a fairly standard sound.
"Don't be put off by the enharmonicity of the note."
It's written that way because that's the correct theory, but in reality, when you're playing it on the piano, you can think of it as a G, and it won't do anyone any harm.
These diminished arpeggios can be quite tricky to finger. I have a slightly different fingering than the one used on the technical exercises written down here.
The other arpeggios we're dealing with here, the G7, F7, and D7, are the Mixolydian ones.
At fast tempos, the fourth finger, which is generally the weakest finger of piano players, can be quite stretched.
For example, regarding D7 arpeggio: if you start the right hand at D above middle C and go up four octaves, you're going to run out of room at the top of the piano.
"No worries, just let everyone know to start an octave lower and it will be fine."
There are two more arpeggios on the next page. One is the B flat 7 arpeggio, which again is a Mixolydian sound.
Other than that, it's fairly similar and straightforward.
The most difficult looking arpeggio here is the C9 5. This is very similar to other arpeggios we've covered in previous grades, like the altered one and the Locrian one.
This is a natural nine. In other words, this could be called an augmented arpeggio.
Now, although this may not be as tricky as the four octaves of the Mixolydian ones (for example, the B flat 7 and the D7), it requires a big stretch of the hands.
"It can be quite tricky to work out, but with practice, it will get better."