Indie pop is a genre of alternative rock which originated in the United Kingdom in the 1980s. Originally and often still a form of independent music, it is closely associated with indie rock, both genres are similar, yet there are differences between both. Indie rock tends to be edgier, rougher and harsher-sounding, contrasting the more melodious indie pop. Indie pop additionally takes influences from 1960s girl group music and power pop, often giving it retro elements, and makes usage of jangly guitars.