Slouching into Round 7
(Pete Stein got shorted a bit for round 5, corrections will be made when I get to it).
The Magic Letter is
PCategory 1: Classical Composers
Category 2: A Food you feared eating for the first time
Category 3: Third or Second World Country
Category 4: Land Battle anywhere outside of Europe and European Russia, any time period
Category 5: English Politician, public life starting BEFORE the 20th century
Category 6: A body of water (not an ocean)
Have fun with this...