Possible Clues:

• XX, X over the North may get one tight
• Back in the group, is showing nervousness
• Unease
• Straining notes in composition
• Dramatic device
• Massage target
• What daring trapeze artist wants is held back, causing strain
• Isn't one strained by this?
• A strain though one isn't put out by it
• One isn't put out by it, but it's a strain