Long continuous buzz of electronic prison cell door release.
A teacher or student writing on a chalk board.
Three claps rhythmically by an audience of children.
Ambiance of a room in the city with a clock ticking, distant airplane, children and a dog barking.
Ambiance of a small space with adults conversing in the foreground and children in the background.
Bell on door ringing as the door to a local shop is opened.
A small clock shop ambiance with several different clocks ticking. Vintage recording.
Large metal prison gate rolled opened and closed with bangs and rattles.
Large barred metallic prison cell door unlocked, opened and locked again.
The interior or an erupting volcano with blasts and fire sounds.