The theme song for a recruitment drive had to project a commanding presence. It couldn't be soft. It also had to be hefty. Naturally, Duan Qianji's husband, Major General Hong Lou, was clueless about music and couldn't tell the difference. But others who belonged to the Yanzhou military command could. They had spotted a gem, and when they noticed it was a Silver Wing release, they sought out Hong Lou.
You had to save the good stuff for your own. Even though she stood to suffer a loss, given that Hong Lou had asked for the song specifically, Duan Qianji decided to keep the rights of the song within her home continent.