Yamaha KX61 USB Keyboard Studio (MIDI Controller) Assignable buttons that can be assigned to a range of functions to suit your needs Bundled Cubase Ai4 Software - Cubase AI4 is a music production workstation that offers audio recording and editing, MIDI sequencing, an entire suite of VST effects plug-ins and a HALion One sample player featuring selected waves from the famed Yamaha Motif Built-in arpeggiator with more than 500 pre-programmed phrases Control templates for 30 different software tone modules built in Keyboard response has been carefully tuned for optimum performance with software tone modules