Frank Zappa's brother Bob talks with Swedish radio about his book

Don't click on the picture (doesn't work). But here is the link:
http://sverigesradio.se/sida/gruppsida.aspx?programid=478&grupp=18771&artikel=6291532

Bob Zappa talks about his and Frank's early years: "His relationship with our father was very difficult for him."
In English/Swedish.