Siakol is a 4-piece Filipino rock band who is one of several groups who spearheaded the 90's Philippine alternative rock explosion and known for their hit songs "Lakas Tama", "Peksman", "Biyaheng Impyerno" and "Bakit Ba". The band was a prominent fixture of the Tunog Kalye era and very popular to college & high school students in the Philippines during the 90s.