Case Study #4 Black Wood, from RboW was released in 2023. The perfumer behind this creation is Claude Dir. It has the top notes of Bergamot, Lemon, and Pimento, middle notes of Cloves, Cypress, Cypriol Oil or Nagarmotha, Labdanum, Myrrh, and Rose, and base notes of Ambrarome, Cedarwood, Labdanum, Leather, Musk, Olibanum (Frankincense), Patchouli, Sandalwood, and Vetiver.