Click the Record button to start capturing your screen ... the QuickTime Player doesn't allow you to record system audio. However, there is a clever workaround for this in the next section.

This working cardboard record player is one example. While the turntable doesn’t have working records in the sense that the music is etched into them like vinyl, each has its own RFID chip ...

showing the audio waveform in each groove. The red lines are 1mm apart. Public domain photo by Alex:D. There was a time when describing the operation of a record player would have been unnecessary ...