What is the importance of folk dance ?

The linear perspective changed the quality of art because it gave art a sense of reality. it gave the illusion that the background and surroundings were actually close and/or far and a sense of depth. linear perspective change the quality of art following its birth the renaissance period as they want the art to be more realistic and they believe one way to achieve it is to use the method of linear perspective. it uses the principle of math to realistically portray space and depth in art. 

Ibelieve so yes. the industry for electric guitars (such as gibson, fender, prs, epiphone,ect) has went down over the past few years so i feel things will come back up for the vintage style electric guitar (such as the gibson les paul, fender stratocaster/ telecaster, gibson sg, gibson flying v,) so i feel like they will be bringing more vintage style instruments to the stage-jaydoe