Bernie Worrell's range of keyboards from his recordings with Parliament Funkadelic demonstrate the wide range of keyboards used in funk, as they include the Hammond organ ("Funky Woman", "Hit It and Quit It", "Wars of Armageddon"); RMI electric piano ("I Wanna Know If It's Good to You?", "Free Your Mind", "Loose Booty"); acoustic piano ("Funky Dollar Bill", "Jimmy's Got a Little Bit of Bitch in Him"); clavinet ("Joyful Process", "Up for the Down Stroke", "Red Hot Mama"); Minimoog synthesizer ("Atmosphere", "Flash Light", "Aqua Boogie", "Knee Deep", "Let's Take It to the Stage"); and ARP string ensemble synth ("Chocolate City", "Give Up the Funk (Tear the Roof off the Sucker)", "Undisco Kidd").