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![Firkenstein1 Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::1347303159014817796.png) Firkenstein [@Firkenstein1](/creator/twitter/Firkenstein1) on x XX followers
Created: 2025-07-18 17:10:52 UTC

Here’s my mandolin version of “Bad Guy” by Billie Eilish! This one was a lot of fun to learn and play! 💙

#badguy #mandolin #mandolincover #billieeilish #billieeilishcover #billieeilishsong @billieeilish

![](https://pbs.twimg.com/amplify_video_thumb/1946256258014547968/img/jrhUNiUo-sNYjhay.jpg)

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**Related Topics**
[billie eilish](/topic/billie-eilish)

[Post Link](https://x.com/Firkenstein1/status/1946256366609317909)