Interconnect and Speaker Cable Burn In

keep in mind that I am somewhat technically challenged.

From a technical perspective, cable burn in is totally unnecessary. I have never seen an engineering text book or scientifically peer reviewed paper that claims that burn in is required for an audio cable.

From a subjective perspective....there are all kinds of anecdotal evidence about burn in. Just when and why burn in stops after a few days, months or up to a year is still unclear.

If burn-in is real then the type of music, voltage and current levels used to burn in ought to be extremely important...

Indeed...the load will have impact on the volatge and current levels in the cable - so it is not just the music (signal) that is critical but also the load.

You need to consider
Source Signal ( type music, frequency content, in some cases test signals may provide the most balanced break-in)
Load ( active, passive or a combination )
Volume setting ( determines Volatge and current level in concert with load )
Time ( length of time used to burn in and possibly the times of day used to burn - obviously no point burning in during the morning if you listen at night, as everyone knows that the grid power varies throughout the day)

Furthermore, since amps, tubes, capacitors, speakers and sources all break-in then you need to add break-in times together, otherwise your cable will only be broken in for how your tube amp or speaker sounded 300 hours ago ...in essence it needs to break-in synergistically once ALL components are broken-in)

...this is if you believe.