1.** Symmetry * *: Select a central point so that the teams are symmetrically arranged on both sides of the central point. For example, it can be arranged in groups of three, and there are 15 groups on both sides of the central point to form a symmetrical shape.
2.** Color * *: Create a visual effect through the color of clothing. For example, it can be arranged according to rainbow colors, or alternatively arranged according to cold and warm colors.
3.** Height * *: Queue according to individual height. Can be arranged in several long columns, so that the tallest person stands on the head of each column.
4.** Modeling * *: This queuing modeling can be formed with a certain theme or a specific modeling. For example, it can be arranged in a heart, or a note, or a specific letter or word.
5.** Queue * *: You can queue for a long time, or several teams to form a big square or circle.
6.** Dance * *: If there are dance elements when singing, you can consider arranging them into a dance formation, such as waves and circles.
7.** Letters or numbers * *: They can be arranged by letters or numbers, for example, by initials or by the size of numbers.
These are just some basic methods, but there are more possibilities. It is important to consider everyone's characteristics and personal wishes, as well as the theme and purpose of singing and performance.