1.   The sound of gunfire mingled with the shrill screams of the injured.

2.   She had time to let out one shrill scream before a dirty hand was clamped over her mouth.

3.   He is the one-man band, they are the audience, and there are shrill screams each time he acknowledges that he digs them, too.

4.   Whippoorwills called out, and you might hear the shrill scream of a nighthawk.