Free Windows Music Software: Fsynthz has introduced Sandra, a hybrid AM+FM subtractive synth designed to produce low rezo sweeps and drones.

In the mid-range it yields thick and lash polysynth chords. Leads and basses may be of consideration as well.

You can preview Sandra below:

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Features:

• “boiling”, “whispering”, “icy”, “sandy” sound textures.
• 4 different stereo-tools (may be used simultaneously).
• The special mode: “longer notes – longer release”.
• Modulated with rocking frequency (with “auto” mode).
• Compact GUI with tooltips on controls.

Sandra is free and is available for Windows as a VST instrument plug-in. Download link. (.zip).

If you’ve tried Sandra, leave a comment and let us know what you think of her!