Complex sentence: As a general rule, Mills was uninspired by the then-current music scene, with a couple of exceptions: he distinguished Stand and Deliver by Adam & the Ants by virtue of its drama and longevity.
Split into simpler sentences: As a general rule, Mills was uninspired by the then-current music scene, with a couple of exceptions. He considered Stand and Deliver by Adam & the Ants distinguished by virtue of its drama and longevity.