This is where you select the VSTi sound device you would like Crescendo to use for playing back audio files. If you have more than one sound card installed, select the sound card you want using the Sound Play Device pull down list.
If you are an advanced user, you may also like to choose which sound driver model you want to use. If your sound card supports DirectSound or ASIO, simply select your desired sound device from the list prepended with [DirectSound] or [ASIO].
This is where you select the device for MIDI playback. If you have multiple MIDI playback devices installed, you can select a specific device using the MIDI Playback Device pull down list.
This is where you designate the folder(s) where VSTi Plugins are stored and accessed from.