Abdul is getting ready to go on stage and perform a piano sonata. Suddenly, his heart starts to race and he notices that he is sweating.What type$($s$)$ of interference is Abdul experiencing, and how should he proceed?Abdul is experiencing internal interference. He should exhale to let go of stress and then take some nice, deep breaths, inhaling through the nose and exhaling through the mouth at least four times, or until he feels his heart slow down.Abdul is experiencing internal interference because he is hungry and tired.Abdul is experiencing external and internal interference.Abdul is experiencing external interference thinking about the audience.