What is the reason there weren’t any bebop recordings made during the early 1940s?

Bebop originated as musicians’ music that is played by musicians with other money-making gigs who did not care about commercial potential of the new music. Hence, there weren’t any bebop recording made during the early 1940s because it did not attract the attention of major record labels nor was it intended to. Thus, some of the early bebop was recorded informally. Furthermore, formal recording of bebop was first performed for small specialty labels who were less concerned with mass-market appeal than the major labels in 1944.

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).

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