[sdiy] Attempting the impossible?? Detuning waveforms?

[Jeff Farr]

Ok, I've got myself a kitten here (not the furry kind).  It has only
one osc, But each waveform has a volume slider before being sent to
the filter.  It's also got a sub osc, and a sub-sub osc.  I've already
added the Op-Amp circuits to patch out the inputs to the filter and
it's modulation sources, and added an individual out for each waveform
(and sub).  I'm currently working on adding a VCLag to turn the
normally square subs into triangles and other funky shapes, I prefer
the more suble harmonics of a tri for subs and the sub-sub makes a
cool 'harmonic' audio freq LFO.  Now, what would be MEGA cool is being
able to detune each waveform slightly for a thicker string sound. 
Even better to detune the sub-sub as a LFO.  Is this even possible?