Click here for information about this retrofit
http://www.kentonuk.com/kenton/retrofit_inh/kgmp-inh.html

Click here to buy the retrofit including fitting by Kenton
http://www.kentonuk.com/products/items/sockets/korg/monopoly.shtml

Click here to buy the retrofit kit only
http://www.kentonuk.com/products/items/sockets/korg/monopoly.shtml

With a CV converter

You need either a Pro-Solo or a Pro-2000

You will need leads - this model has all 1/4" jacks so you will need 3.5mm jack to 1/4" jack leads
You will need at least 2 of these leads (for CV & Gate)
Plus optionally you may want leads for
Filter Cutoff control
Portamento control
clocking the arpeggiator

Connect as follows

Click here for information about and to buy the Pro-Solo mkII

Click here for information about and to buy the Pro-2000 mkII

Click here for 3.5mm jack to 1/4" lead