I'm going out on a limb here, but I'm guessing that if arrangers, 'loopstations', 'ACID', FL, samplers of all descriptions, etc., were to disappear tomorrow, the quality of (pop - including all the popular genre's) music would improve tremendously; along with the number and skill level of performing musicians. JMO.
chas
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"Faith means not wanting to know what is true." [Nietzsche]