Complete various tasks while saying ‘metronome'

Task brief

The brief for the task is as follows:

Inflate a balloon so that it's bigger than your head, tell a joke, and eat a poppadom.

You must say the word 'metronome' in between each tick of the metronome.

Ten seconds are added to your time every time you fail to say 'metronome'.

You may not touch or stop the metronome.

Your time starts when David starts the metronome.