Tsunami + random kids singing at door

This dream too seemed to work in a mixture between my conscious imagination and a typical dream. I was in a city, something like New York, and a tsunami was gonna rush over the whole world or.. over New York. What I mean by conscious imagination is that I can remember imagining a wave engulf all the high buildings and skyscrapers, in fact the buildings all exploded and shattered as the wave hit them, and it faded into a dream where I didn't imagine it consciously anymore and it took control itself, to put it that way. I was thinking stuff like "my god, how can this really happen rararara" as the wave just destroyed everything in its way. Next part of the dream, I was... on the back of some car? Super unclear, but it was all about escaping of course, which I think we might have managed.

Next dream was at home, in my room, and I heard the door bell. My dad said it was someone at the door for me, and apparently it was back at before christmas. Here it happened again, the dream paused and I started thinking instead. I could see it was someone from my class who I'd never expect to give me a christmas present but that's what the dream told me. I thought that would be kinda embarassing, so instead she started singing some song, probably about my kindness or something...! But I was still thinking it up in a way, hard to describe, and I thought up another person from the class singing together with her so that it didn't seem so personal, and thereby more appropriate. I was still upstairs in a way, it was like being both places at once, because of the mixture of thinking and dreaming. Weird. So I went downstairs and it kind of started over, but this time there were lots of small kids singing instead. I told em afterwards "aaa that was good, really nice of you bla bla bla", and it happened AGAIN. I remember thinking the situation over and I planned lots of things that would be appropriate to say before I got to the door in some weird way. The dream changed them from being small kids to a bit more grown kids to smaller kids again. They were at least 14 kids or something, and was sitting outside after singing. Some of them wanted some water to drink, and I had to start counting how many kids wanted water. This was hard, so I asked if everyone wanted water, but nope, so instead I went outside in my bare socks and went past the corner of our house and turned on the outside sink or whatever it's called. That way, all the kids who wanted water could drink from that. Great!