Create Artist Station

Thanks for answering my question. However, I was asking further than that. I know how to search on an artist and then play a station based on that. For ex. If I search for Sia, I can select Sia Radio. However, how can i make that a station I can go back to in the future. On Pandora, it makes it a station and stays there. I can find it again in the future, alphabetically under the "S" listings. Can iMusic do the same? I have yet to see any part of it showing stations I have created based on various artists, especially under MY music.

Thanks for for any input provided.