Hey there
 
I remember seeing ability to play audio clips backward somewhere- cant remember if it was function in Sonar or some other 3rd party plugin. Would be great to be able to do it. Any recommendations? Thank you.

Select the clip you want to reverse then go to the "Global" Process menu (at the top of the SONAR window) and look for the Reverse option.
 

Process | Apply  Effect >  Reverse

http://www.cakewalk.com/Documentation?product=SONAR&language=3&help=Menus1.136.html
 

Great, thank you so much! Is it reversible back to normal or permanent? It probably would respond to Undo, but if I reverse something to backward, and then next day after many other edits, want to reverse it back to normal- would it go back? Thank you.

it's digital- just 1s and 0s, so I'm sure it will be the same when you turn it around again!

Oh, you mean- the same way I turn it backward? That is smart!

Best to create a clone/copy of the original before reversing.

Dang, I was going to say , Put a mirror in front of your monitors....:> 

Beepster
Best to create a clone/copy of the original before reversing.

Not really necessary...reversing a reverse restores the original, even when reversing time. (Just like how contrary to science fiction movies, time travel doesn't cause future changes if you travel backward in time, as long as you return to the present. Hermann Minkowski had it right when he upheld causality by restricting spacetime to non-Euclidian hyperbolic geometry.)