You weren't able to attend Harry's practices/rehearsals in the studio due to the fact that you are busy with your work as well so when he heard someone who sounded like you, he immediately checked if it was you but it wasn't.
You weren't able to attend Harry's practices/rehearsals in the studio due to the fact that you are busy with your work as well so when he heard someone who sounded like you, he immediately checked if it was you but it wasn't.