Transistor Matching Question, Please

I'm building a pair of solid state mono blocks using IRF610s and MJL4281As with MJL4302As and I need to know what tests to run for which characteristics to match the components to each other. I did buy extras, but I didn.t go crazy. I'll provide a schematic for to make their purposes more clear.
Thanks for your time, I just don't want to assume anything here...
 

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  • SS Power amp schematic.jpg
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so TO-220 Q1 and Q2 do not have to be matched, and Q3 does not have to be matched to Q5 but Q4 needs to be matched to Q5? Is that right? If so, I need to match the source-gate voltage?
What about matching Q1in one channel to Q1 in the other amp and so on down the line? Do they need to act reasonably like mindedly to make the two channels match with output?