It's a fusion of Classic/Alternative-Rock, Funk Rock, Hip-Hop & Soul combined with soulful overtones as well as melodic choruses. Music considered to soulful to be completely rock and to alternative rock to be R&B Hip-Hop.
The word was introduced by Urban Rock Band The Rocturnals formerly known as KansasCali in early 2000 to describe their style of music.
The type of music that calms you and listen in the dark at 3 am when your in your feels. Artists including Jhene Aiko, Bryson tiller and Giveon produce this type of music.