I believe Martin Carthy played the banjo on Bedlam Boys on Please to See the King. Tim Hart is credited with the banjo on Ten Man Mop, so I think Martin is playing that nice fuzz guitar behind the banjo on Skewball. The song Edmund appeared on Now we Are Six. In my youth I had way too much time on my hands and read all the credits and liner notes while listening to the records. So I can give you trivial answers for records I bought in the seventies, but couldn't give you nearly the same detail on recordings I buy and listen to now.