These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Epic Riff: A lot, but "Smoke on the Water" is the most famous example.
Germans Love David Hasselhoff: A strange case. Even though the band never enjoyed more than modest popularity in the US, Mark I was more popular there to the point where UK fans thought they were American, to the point where they earned 10 times as much on a US gig compared to a UK gig. Today the band is more popular among European audiences, especially in countries formerly of the Warsaw Pact.
Replacement Scrappy: Steve Morse, if you're a Ritchie Blackmore fan. Also Tommy Bolin when Blackmore left the first time.
But Bolin was a great guitarist. He could've gone pretty far if he hadn't suffered Author Existence Failure.
David Coverdale , Glenn Hughes and Joe Lynn Turner for Ian Gillan fans.
And also Ian Gillan if your a Rod Evans fan.
The infamous 'Bogus Deep Purple' lineup of 1980. And how.