Usually, students do the following at the beginning and ending of class in Japan.
キリツ Kiritsu "All rise."
キヲツケ Kio "Straight up."
レイ Rei "Bow."
チャクセキ Chakuseki "Sit down."
Some regions have different ways of doing it.
This is Gunma Prefecture style.
There is a simple piano version of bowing.
