CJ - you are full of shit: professional musicians are regularly imported for this stuff. As are professionals in other fields.
grow up and don't be so naive. Listen to any middle of the road christian music, and the melodies sound like they've been written by the same jingle house.
The whole new rebranding has involved professionals - not just JWs Either.
Did you know they pay vast amounts of money to wordly investment firms, and have brothers with expense accounts dealing with them.