Interesting, your second post expanded on what I thought was going to be a rehash of old news.
Bit of a believer on specific sonic signatures working better than others myself.
Colours, Im undecided, tho I find myself reaching for fluro green in dirtier water 9 times out of 10, throw back to being flogged by NT guides moto of the only good lure is a 3 mt chartruese scorpion I suspect.
And yes, just when you think you have them figured out...