Term: a capelletronica
Example: "example of a practical a capelletronica performance:  lars: "i was listening to this m83 track yesterday and when it was all like 'duh-nah-nuh-nuh,' i was all like 'wow
Definition: a style of music in which an unaccompanied vocal performer attempts to imitate the sound of a synthesizer, drum machine, sequencer, or other electronic instrument