Mainly by surname or band name, genres can blur lines, titles can get tricky, compilations go separately, that's the system.
Hard pushed to move attention from those singers I feel a little cheated though, having been performing since 2010, they must now be in their late 20s. Andy
I’ve got Led Zep filed away under ‘Zed’, and Rolling Stones under “S”. The jazz is in a separate cupboard. It works for me!
@Chris, fantasy back on, the two surviving singers, one left last year to start a solo career, are early 20s Andy
yes there's the equivalent to a "Spice" thing going on there isn't there? The Metal Girls! https://en.wikipedia.org/wiki/Babymetal
My teenage son reliably informs me that there are a lot of all girl bands similar to this in other forms of rock in Japan. I’ve grounded him until 2021 for not informing me earlier.....