This sound set came from Windows Millenium Edition, or just Windows Me. It had really cool startup sound. You should try it right now.
The following files are included in this pack:
CHIMES.WAV- CHORD.WAV
- DING.WAV
- TADA.WAV
- The Microsoft Sound.wav
Size: 1.1 Mb
Format: zip archive.
To install this sound scheme easily, extract all files into your C:\Windows\Media directory and refer to the following article: How to change Windows sounds.