This is a test of commonsense. Complete the next sentence:

How to shag dance
Learn to count " one-and-two, three-and-four, five-six.
" repeat until you know the eight-beat rhythm well. Here's what you need to know :
There are eight shag dance steps, each of which corresponds to a beat.
The " one-and-two " and " three-and-four " steps should take about as much time to complete as the " five-six. " get some good shag dance music going, while you're at it.