[Bass] options are displayed when you select [Bass] from the [Select Group ] combo box in the [Instrument] dialog box. You will see the selected instrument in the [ Instrument ] window.

Acoustic Bass This is a wood bass that is used in jazz. Fingered Electric Bass This is an electric bass played by fingers. Picked Electric Bass This is an electric bass played by a pick. Fretless Bass This is a sound of fretless bass. Slap Bass 1 This is a bass played by slapping. Slap Bass 2 This is a bass played by slapping. Synth Bass 1 This is a sound of synthesizer bass. Synth Bass 2 This is a sound of synthesizer bass.