This tutorial shows how to import and play a MIDI file in Zynewave Podium 2.28. Three different playback engines are used as examples:
1: The Microsoft GS Synth that is built into Windows.
2: Cakewalk sfz+ soundfont player plugin + FluidR3 GM soundfont. Both are available as free downloads.
3: SampleTank XT plugin + OmniSynth sound library. Commercial plugin priced around 50$.