The instrumental combinations (including doublings) vary between most movements.

Here is Steve's mixture from the vegetable and flower garden - the combination varies with time of year.

These combinations vary according to the syllabus or method used.

It's likely that several different factors, a combination of which will vary from person to person, may have an affect.

In addition, the combination of symptoms varies among patients.

The combination of these has varied over time.

That combination will vary over time, especially for children.

The combination of referees and linesman varies from league to league.

The combination of these elements varies frequently, to reflect changes in the onstage action.

The combinations of muscle types vary between the different classes, but these are not associated with differences in movement.