They most likely came up with those names by putting all the events together and thinking of a name for all put together with detail.
upbeat pop/tough bass because they all have beats you know ?
Answer:
There's not really any specific way.
Explanation:
Billie Eilish is a very distinctive singer and there is no real exact way to sound like any particular singer. If you really want to sound like someone the best thing to do is just listen to a particular sentence (or lyric) and repeat it over and over again and each time if your heading in the right track you could sound a bit like her. But there is no exact way to do this.
Answer:
positive and negative art work