 To express the technological novelty of the new console, he used several different instruments, often implementing them all one after the other in the game's title song.As development progressed, Kondo grew concerned over how people would react to his unusual combinations of instruments as he noted the use of more traditional square waves and triangle waves had "gained acceptance" with consumers.For the game's sound effects, Kondo decided to use a variety of musical instruments as opposed to square waves to emphasise the game used traditional technology with a hybrid of new materials.