ALEXA

"Alexa, enable skill" → Alexa will ask, "Which skill do you want to enable?" → then say "The Thin Line Rock Station"

 

Once enabled

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Say "Alexa, open The Thin Line Rock Station skill"

 

BOOM, it's that easy!

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You can try to enable it directly from your Amazon account at:
https://www.amazon.com/The-Thin-Line-Rock-Station/dp/B0CMZJHL8J
You can also use the linked Alexa app on your mobile phone to search and enable the skill.