Possible Clues:

• One's argued following this instruction could be a tonic
• Argument over oriental cat
• Dispute about key change
• Noisy disagreement with Conservative caught in change
• Finding key among change could result in cross words
• Rattle a coin (anag) — row
• One way of seeing action is to have a row
• Dispute change when carrying cent
• Lace into rat involved in quarrel
• *Noisy disagreement