Drum 'n' bass is a genre of music that emerged in the early 1990s in the UK. It is characterized by fast beats and heavy bass-lines that create an energetic and intense vibe. Although the term "drum 'n' bass" is widely used, there are other synonyms that represent this genre of music. Some of the other names for drum 'n' bass include jungle, dnb, neurofunk, liquid funk, and techstep. These terms denote the different subgenres of drum 'n' bass that have evolved over the years. Each subgenre has its own unique sound and style, but they all share the same high-energy, bass-heavy sound that defines drum 'n' bass.