| Name | Format | Duration | Size | Date | |
|---|---|---|---|---|---|
| usn1_01.wav | Waveform Audio File Format | 21s | 472KB | 1995-05-31 | |
| usn1_02.wav | Waveform Audio File Format | 20s | 460KB | 1995-05-31 | |
| usn1_03.wav | Waveform Audio File Format | 1m55s | 3MB | 1995-05-31 | |
| usn1_04.wav | Waveform Audio File Format | 1m23s | 2MB | 1995-05-31 | |
| usn1_05.wav | Waveform Audio File Format | 1m25s | 2MB | 1995-05-31 |