How did the artist use lines in the scram? what was the effect of that used on the artwork? (explain in four to five sentences.)

The case involved a defendant required to wear a SCRAM device, which is an anklet commonly used for DWI probationers that purportedly monitors blood alcohol levels. As DA Confidential tells it: ... So his bond was revoked and he was put back in jail when his Scram showed he'd been drinking just before Christmas.

Opposition of two melodic ideas is the  right answer