Possible Clues:

• A power of two
• Number nine tee is between the South and the North
• How many, in view of this, you get 9T, perhaps
• Four by four observed circling Roman square by junction
• Square peg on cross put in wrong
• With 34-across, movie with Gedde Watanabe uttering the line, 'What's happenin', hot stuff?'
• Old song: 'When you were sweet .......'