Answer: Related diversification
Step-by-step explanation:
The corporate-level strategy that T&P appear to follow is related diversification. Related Diversification is a situation that comes into place when there is an expansion or an addition of a company's existing production line.
In this scenario, we are informed that T&P is in the process of acquiring another company, its major music store rival ReBop Records. This will lead to an expansion of the production line of T&P.
Therefore, the corporate-level strategy that T&P appear to follow is Related diversification.