[Jaeson Jrakman]"Just wondering if there is a way to select and move all the points or keyframes in the audio, so that I could select and move 4 points at once, rather than having to select them one at a time."
Swipe your mouse across the keyframes and they will all be selected so that you can move them all at once. You have to start swiping from the left of the first keyframe you want so that it makes a selection rectangle instead of moving the keyframe.
[Jaeson Jrakman]"I tried as you've suggested, and all that seems to happen is a "loop region" is created in the timeline. None of the points end up getting selected."
I'm sorry I wasn't more clear. You need to do this in the Window that you created the keyframes, not on the timeline. So, for example, if these are Track Motion keyframes, you need to open the Track Motion window and select the keyframes there and move them.
[Jaeson Jrakman]"They are in track 4, and are used for the audio levels."
Ahh, so these are Volume Envelope keyframes. Try using the Envelope Edit Tool to select multiple keyframes from envelopes. You can use Shift+Alt+D to cycle through the edit tools or just select the proper icon on the toolbar.