Complex sentence: Their relationship becomes somewhat strained however, when Hawkins hears that a perfect bootleg copy of her performance was made and sent to Taiwan, which insists that she either sign to make recordings of her performances or they will sell copies of the illegal tape.
Split into simpler sentences: Their relationship becomes somewhat strained however, when Hawkins learns that a perfect bootleg copy of her performance was made and sent to Taiwan. She is threatened to sign to make recordings of her performances or the thiefs will sell copies of the illegal tape.