Sure. Mr Holland's first day at the high school is a significant event. He meets a diverse group of students, some who are initially uninterested in music. Then there are events like the school plays and concerts where he showcases his students' talents. The times when the school tries to cut the music budget and he has to fight for it are also key events in the story. As he gets older and closer to retirement, he reflects on his career and realizes the true value of his work with the students.
Well, in the story that 'Mr Holland's Opus' is based on, Mr Holland's initial disappointment with his teaching job instead of focusing on his own composition is a big event. Then there are the moments when he discovers the hidden musical talents in some of his students, like the shy student who blossoms into a great singer or the student who has a natural gift for an instrument. The school's financial problems that constantly threaten the music program also play a major role. Mr Holland's relationships with his colleagues, especially those who support or oppose the music program, are also important aspects of the story. And finally, his realization at the end that his students are his true opus is the most crucial event of all.