Coffee Roaster, Journalist Coffee Lover at Coffee Cupping Taste, test and explore the difference and the unique of 16 coffee variants of Arabica, Robusta and Luwak from 9 origins (Regencies: Pakpak Bharat, Dairi, Karo, Simalungun, Samosir, Humbang Hasundutan, Tobasa, Tapanuli Utara, Tapanuli Selatan) at North Sumatra Province of Indonesia. Participants were Sabam Malau (me), Djohan (Repvblik Coffee, Kopi Ong), Surya (coffee trader), Tonggo Simangunsong (MedanBisnis Daily), Oberlin Sihombing (coffee lover).