Possible Clues:

• Foreign Office sending ship east to keep canal
• 'All That Jazz' choreographer Bob
• "Pippin" choreographer Bob
• Fortification ditch
• Director of 'Chicago' and 'Dancin''
• Bob of 'All That Jazz'
• ''All That Jazz'' director
• Best Musical of 1999
• 'Pippin' director/choreographer
• Ditch openings of foreign operas; Schwarzkopf sings English