Possible Clues:

• That'll let me see how loudly Ican shout, by the sound of it
• One can see what a lot of it I make of it, by the sound of it
• One faces one in confrontation
• With this, you see, I make an awful sound
• Optical sphere within lids
• Might 17 across get around when it sounds as if I shout
• Sounds as if I make an awful fuss so as to 16 down with it
• Before dance, I chatted, given stare
• One sees that I don't keep quiet, by the sound of it
• It goes round in one's head