Hi @Adam_Scott welcome to the community and thanks for posting!
Which smart home hub are you using? “Echo Speaks” was a popular integration that was originally developed for SmartThings, has been ported to Hubitat, and recently sunset on SmartThings. It’s a neat way to provide music playback control on your Amazon Echo devices (among other things). This approach exposes music player tiles similar like those shown on the left side of the following dashboard:
Alternatively, you may be able to use a virtual device to trigger an Alexa routine… and the Alexa routine could be set to play your desired station, but this would just be a single button to start the music and not a traditional music player interface.