Traditionally the role of the DJ was to play records on the turntable ... the Grand Wizard Theodore, who created ‘scratching’ - the sound made when the record is rubbed back and forth.

While techniques like looping and scratching might not be essential ... boost or cut a particular audio frequency range. DJ ...

A black cat named Odo sat next to the turntable and took over DJ duties by (literally and figuratively) scratching the record ...