I joined last.fm in 2006 and subscribed to their radio service for a while - but it always played the same few songs in each genre despite having much more than

I joined last.fm in 2006 and subscribed to their radio service for a while - but it always played the same few songs in each genre despite having much more than that on their service, which got old, so I moved to Spotify. Now I use Google Music, which has a great radio feature and the ability to play anything specific I want also.