This morning I wanted to hear a song so I asked my Amazon Echo to play it. Now there's a new channel in my collection. I don't want this channel. I deleted it, but there's 100 more channels I NEVER wanted. I could delete, but then I'm asked if I'm sure I want to delete, and it's very annoying. Mixed in are other carefully cultivated channels I enjoy.  1. How do I bulk delete channels? 2. How do I ensure my Amazon Echo doesn't create new channels?   mod edit: changing title for clarity   ... View more