This is the most sophisticated tracker for OPL-chips around, it supports OPL2 and OPL3 chips thus enabling 18 stereo channels. 22 realtime commands/effects including tremor, vibrato, tremolo and arpeggio. Channels can be individually set to work like normal 2-operator channels or advanced 4-operator (4op) channels. To maximize user comfort, simple font and color editors are supplied. ST3-like interface. Requires Dos, about 590 KB free conventional memory, and of course 100% compatible opl2 or opl3 sound card.