@Siracusa Finding a summary of your listening history is not currently a feature.
If you'd like to see something like that added to the service, I recommend creating a feature request for your suggestion here.
In regards to finding new music, I recommend utilizing the Browse option when listening on a computer:
If you are listening on a mobile device, this section is called For You - you can tap on the For You tab on the bottom left hand corner of the screen.
Hope this helps!
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