Reggae:

Reggae is a music genre first developed in Jamaica in the mid-1960s. Although sometimes the term is used broadly to refer to different styles of Jamaican music, by reggae strictly means a specific musical genre that originated as earlier as development of other ska and rocksteady.

Electronica:

Electronic music is the kind of music they used for their production and interpretation of electronic instruments and electronic music technology. In general, one can distinguish between the sound produced using electromechanical means that produced using electronic technology. Examples of electromechanical sound producing devices are telarmonio, Hammond organ and electric guitar. The purely electronic sound production can be achieved using devices such as the Theremin, sound synthesizer and computer.