According to the writer, live performance provide a special excitement because they are

Music plays a vital role in human society. Good music provides entertainment and emotional release, and it accompanies activities ranging from dances to religious ceremonies. Music is heard everywhere; in auditoriums, homes, elevators, schools, sports arenas and on the streets. Recorded performance is a sensational innovation elevation of the twentieth century. Thanks to modern technology like compact disc (CD) digital video disc (DVD) and the MP 3 player, music can now be heard in divers places. Such places include living rooms and cars, jogging paths can also function as new kinds of concert halls where we can hear what we want as often as we want.
Live performances provide a special excitement. In a live performance artistes put themselves on the line. To avoid embarrassment, the artiste must train before hand and ensure that technical difficulties are avoided and that the listeners are actively involved. What is performed, how it sounds to the excitement of such a moment and feelings are exchanged between stage and hall.

Our response to a musical performance or an artiste is subjective and rooted in deep feelings. Even professional critics can differ strongly in their evaluations of a performance. There is no one ”Truth” about what we hear and feel. Does the performed project a concept, an overall idea, or an emotion? Do some sections of a piece, but not others, communicate something to you? Can you figure out why? It is up to us as listeners to evaluate performances of music so that we can fully enjoy it. People listen to music in many different ways. For instance, music can be a barely perceived background as in a film or a totally absorbing experience as in a concert.

Adapted from Roger, K. (1990) An Appreciation Music: Fourth Brief Edition, McGrow-Hill Higher Education.