I totally agree.
The scraping of the runway was probably observed by the tower controller and conveyed to the approach controller, and is not heard in the audio clip.
It was the approach radar controller in the audio clip who made the query about the 'belly landing'. I sensed a hesitation in the query and probably he intended to inform the pilot of the observation made by the tower controller.
Another observation is that the radar controller appeared to be a trainee.
He suggested a heading even when the pilot was established on final, during the first approach.
Also, the voice that has pointed out the observation of 'turning left' from the assigned heading of 110, appears to be that of the supervisor.
The trainee, with whatever limited wits ( and vocabulary) repeated the availability of both runways. The availability of the runways had probably been conveyed to him by the tower controller and the trainee radar controller has repeated the same twice.