What did the producers at record companies do to create the first rap recordings?

signed unknown street singers who brought original songs to record

set up studios with many turntables and hired a dj to play

hired successful rap singers to write new rap songs

licensed preexisting songs to make new rap versions of them

set up studios with many turntables and a hired DJ to play.

Explanation:

In the creation of hip hop music in a recording studio. While the term encompasses all aspects of hip hop. The rapping of am MC a turntablist or DJ providing beat, playing samples and scratching using record players and creation or a rhythmic backing track, using a drum machine or sequencer.

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