Hey there @WiffleBallChamp,
Thanks for reaching out about this here in the Community.
The music shouldn't randomly play unless you decide to play the content. In this case, we suggest following the steps in this article to secure your account.
Regarding your idea about disabling auto suggestions, we'd recommend submitting it again as a separate. The higher the number of votes an idea gets, the more likely it is for it to be implemented.
Also, you can read more about how your feedback reaches Spotify here.
If you have any questions, just let us know.
Help others find this answer and click "Accept as Solution".
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“Music acts like a magic key, to which the most tightly closed heart opens.”– Maria von Trapp