The phonograph record is being played, spinning nonstop. Even the sounds of all those hoarse shrieks cannot escape the heatwave and are dampened by its tepidity.
She seemed unprepared and utterly enthralled by the fascinating melodies:

It started with sincerity and anticipation...
...followed by a passionate catharsis...
...with one climax after another...

...until the record's spinning came to a final stop and those hoarse shrieks were no longer audible.
"Mission accomplished."