Sunlight Sensitivity. While in sunlight, the rapper has Disadvantage on ability checks and attack rolls.

 Monotonous Tapping. Significant noise emanates to 120 feet radius form the rapper. It interferes with any acoustic-based skills; any Perception or Investigation check reliant on hearing is made at Disadvantage.

Intelligence Saving Throw, DC 11. Any creature with an Intelligence of 4 or higher that listens continuously for an hour. Failure: The subject suffers a Short Term Mental Stress Effect ( equal chance of Frightened, Incapacitated, or Stunned condition). Failure by 5 or more results in the subject suffering a Long Term Mental Stress Effect; roll 2d6 for two attributes affected. Rolling same attribute on both dice indicates double duration. 

Multiattack. The rapper makes two attacks, using Wicked Hammer or Wicked Crossbow in any combination.

Wicked Hammer. Melee Attack Roll: +5, reach 5 ft. Hit: 7 (1d8 + 3) Bludgeoning damage plus 5 (1d10) Psychic damage. Wisdom Saving Throw, DC 13. Failure: Target is afflicted with Confusion.

Wicked Crossbow. Ranged Attack Roll: +5, range 80/320 ft. Hit: 6 (1d8 + 3) Piercing damage plus 3 (1d6) Psychic damage. Wisdom Saving Throw, DC 13. Failure: Target is afflicted with Confusion.

Vanish (2/day). The rapper magically becomes Invisible for up to one hour, or until it attacks or its concentration ends (as if concentrating on a spell).