Alma Mater is a special song that is often associated with a specific school or university. It is a way for the students and alumni (people who graduated from the school) to show their pride in their alma mater (Latin for "nourishing mother").
The song usually mentions things that are important to the school or university, such as its history, traditions, and accomplishments. It may also include lyrics about the school's mascot or emblem, and the feelings that students and alumni have for their school.
When people sing the Alma Mater, they usually stand up and hold hands out of respect for their school and the community of people who have been a part of it. Many people have memories of singing the Alma Mater at important events, such as graduation ceremonies or sporting events.
Overall, the Alma Mater is a special way for people to celebrate their connection to a school or university, and to show their pride in the achievements and traditions that make it unique.