A gospel harmony is an attempt to collate the Christian canonical gospels into a single account. Harmonies are constructed by some writers in order to make the gospel story available to a wider audience, both religious and secular. Harmonies can be studied by scholars to establsh a coherent chronology of the events depicted in the four canonical gospels in the life of Jesus, to better understand how the accounts relate to each other, and to critically evaluate their differences. The terms harmony and synopsis have been used to several different approaches to consolidating the canonical gospels. Technically, a "harmony" weaves together sections of scripture into a single narrative, merging the four gospels. There are four main types of harmony : radical, synthetic, sequential, and parallel. By a contrast, a "synopsis," much like a parallel harmony, juxtaposes similar texts or accounts in parallel format, synchronized by time, while preserving their individual iden