랩 or Raep = Rap
머스터 or Mon-seu-Teo = Monster. (please keep in mind that this is the English spelling of Monster. if you want to say Monster in Korean, you say 귀물 or Gwi-Mul.)
가 or Ga = ( is a Subject marker. It is Used when it is Necessary to Identify the person or thing that is Talked about in the Sentence.)
음악 or Eum-ag = Music
을 or Eul = (Object Particle. Is attached to an object which Verbs Describe.)
듣고 or Deud-go = Listen.
있다 or Issda. (It's pronounced Eet-da) = (Something in Existence. such as: have, Contain, belong, be, be held, happen, have experienced, and Ect.)
I Hope this Helps you Guys out! Keep Learning Korean, and Don't Ever Give Up! 🤗💖