DriveYourCarDownToTheSea

Good to see you back. At least you liked one.

Animal Collective does add a lot of ambient/background noise to their music. Sometimes they do overdo it a bit, but even in those cases I tend to ignore it. For Guy's Eyes, it didn't really have any "dissonance," but the part that might turn some people off is the countermelody which does not fit against the main melody in the same way most countermelodies do. It makes the song sound "busy." Personally I think that makes it more interesting and adds a level of sophistication most pop tunes don't have.

If you liked that one Tame Impala tune I suspect you'll like others. Might want to give some of their songs a few more listens. I'm surprised you didn't like Mind Mischief, since it's practically a Beatles ripoff, even moreso than any other Tame Impala song.

Anyway, from the looks of it I'd say you've got very specific tastes, which probably explains why you don't like a lot of recent stuff. I'd say your objection to recent music has nothing to do with the educational issues you mentioned before; rather, it has more to do the fact you only like a very small subset of things. If you don't even like acoustic, melodic stuff like Jack Johnson, I don't know what to say.

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Stop and find a pretty shell for her
Beach Boys vs Beatles comparisons begin here