That´s a nice wife you have there
For CV modulation you can get a MIDI to CV/Gate converter. I have a Doepfer MCV4 MIDI to CV/Gate converter (for my SH-101 and my DIY synth) and that works fine. Here´s links to Doepfer:
http://www.doepfer.de and Kenton:
http://www.kentonuk.com/ that also makes MIDI to CV/Gate converters...