Whoever destroys a soul, it is considered as if he destroyed an entire world. And whoever saves a life, it is considered as if he saved an entire world. Which value in Judaism does this quotation refer to?

Urban growth invariably feeds increased commercialization and industrialization. it requires continually expanding land areas. when urbanization rates are high, and countries do not have the institutional and managerial capacities or economic wherewithal to manage such rapid growths, they exert intense pressure on the types and nature of the resulting settlements. they contribute to the development of overcrowded slums and shanty towns without adequate essential services and necessary infrastructure.-by asit k. biswas and cecilia tortajada

The statement that perceptive listeners are mainly concerned with extra-musical connections or associations is false.the perceptive listener combines the characteristics of all types of listeners (critical, casual, this type of  listener is open to all kinds of music and tries to develop an awareness of different musical style.