Street performance or busking is the act of performing in public places for gratuities. In many countries the rewards are generally in the form of money but other gratuities such as food, drink or gifts may be given. Street performance is practiced all over the world and dates back to antiquity. People engaging in this practice are called street performers or buskers.
Watch this Street Guitarist playing Flamenco on the Streets.
Street music has probably been around as long as there have been streets.
The economics of playing for music next to an open guitar case has an ancient simplicity. There is no middleman, no stockholder, and no investment bank involved in the process; just a pure and direct exchange between artist and audience, and this might be why street music is so important.