What is the name of the rule that defines a measure?

When the percussion section played the theme, the theme was less recognizable since most percussion instruments aren't tuned to a pitch the instrument sounds included drums and cymbals both a and b neither a nor b

Ineed this to be answered fast and you i would appreciate it1. what benefits are there to using an online filter app? 2. of the apps you researched, which would you choose to edit your own photos? why would you choose this app over the other ones? 3. if you could choose between using the camera accessory filters that connect to your camera or the photo editing app filters, which would you choose and why?

What is the quotient? 2m+4/8 ÷ m+2/6