Lo-fi originates from the expression “low fidelity”, which in layman terms is something contrary to Hi-Fi or “high fidelity”. It's a style of music that catches a certain chill vibe through recording and creation, regularly with the sound being on the lower tones contrasted with the typical upbeat that comes with techno music. It's somewhat difficult to nail down precisely what makes something lo-fi, with numerous recommending that it's a certain abstract "warmth" that makes lo-fi music, yet it's really characterized by "the incorporation of components typically saw as unwanted in proficient settings, for example, misplayed notes, natural obstruction, or phonographic flaws (debased sound signs, tape murmur, etc)". It's additionally viewed as a melodic kind onto itself thanks to some extent to the rising popularity in the late 2010's, a form of downtempo music tagged as "lo-fi hip hop" or "chillhop" became popular among YouTube music streamers. Several of these lo-fi YouTube channels attracted millions of followers.