An information processing apparatus, an information processing method, a recording medium, and a program that can run an application for playing an optical disc and an application that provides a unique function of the apparatus in cooperation with each other. The first stack includes a semiconductor stack including a light emitting layer. The secondary assembling piece is arranged inside the main frame structure and joined to the main frame structure. The compensated spectrum represents the energy emitted from the environment with energy emitted from false alarm sources. The fracturing step can also be used for remedial operation to reopen blocked formation or screens.