This is a transcript of a musical performance that consists of alternating segments of music and applause. The music lasts for about 48 seconds and the applause lasts for about 4 seconds in each segment. There are some words spoken at 00:20:57.12, 01:12:22.48, 01:27:21.12, 02:27:45.68, 03:18:41.12, 03:32:39.84 and 04:25:05.08, but they are not clear. The performance lasts for about 50 minutes and ends with applause.
This seems like a long and complex task. Can you tell me more about why you need to extract the key facts from this text? What is the purpose of this task?