[opening music]

RACHEL KELLY: This is a warm up that helps just get our voice nice and flexible and practises our range from low to high. So the words are 'zih orh.' Say that.

STUDENTS: Zih orh.

RACHEL KELLY: And it goes like this.

(SINGING) Zih orh.

RACHEL KELLY: So we start with a little arpeggio.

(SINGING) Zih orh.

Sing that.

STUDENTS: (SINGING) Zih orh.

RACHEL KELLY: And then, we go just below it, and past the tonic, and then we come down the scale. So when we've got to (SINGING) orh. So go from there. (SPEAKING) I'm sorry. Go from-- (SINGING) Zih-- orh. Go from there.

STUDENTS: (SINGING) Orh.

RACHEL KELLY: Good, let's try it from the start. Ready, and--

STUDENTS: (SINGING) Zih orh.

RACHEL KELLY: (SINGING) And then we go to the next note. Let's stand up and try it. Ready, and--

STUDENTS: (SINGING) Zih orh.

RACHEL KELLY: Good, I'm loving seeing some nice, tall shapes on the orh. But some mouths, I think, need to open a bit more.

(SINGING) So starting on this note, and--

STUDENTS: (SINGING) Zih orh.

RACHEL KELLY: (SINGING) Da, da.

STUDENTS: (SINGING) Zih orh.

RACHEL KELLY: Excellent mouth shape, Caroline. Well done.

(SINGING) Then starting on this note, and--

STUDENTS: (SINGING) Zih orh.

RACHEL KELLY: (SINGING) One more.

STUDENTS: (SINGING) Zih orh.

RACHEL KELLY: Very nice.