Unlike a basic Microsoft GS Wavetable Synth, HyperCanvas offered:
If you must have the exact official interface, purchase the trial of from Roland Cloud. edirol hyper canvas vst plugin free download
Download a free Roland SC-55 SoundFont, grab sforzando (free VST), and you will have 99% of the HyperCanvas vibe without the legal or technical headache. Unlike a basic Microsoft GS Wavetable Synth, HyperCanvas