| Name | Format | Duration | Size | Date | |
|---|---|---|---|---|---|
| plus15.wav | Waveform Audio File Format | 15s | 350KB | 1992-11-17 | |
| plus3.wav | Waveform Audio File Format | 3m | 2MB | 1992-11-17 | |
| plus30.wav | Waveform Audio File Format | 31s | 688KB | 1992-11-24 | |
| plus5.wav | Waveform Audio File Format | 6s | 150KB | 1992-11-17 |