EXS 24 Logic Sampler Users Group

Using the Vienna Symphonic Library, I thought I would be able to 
achieve polyphonic behavior by using two instances of the same 
monophonic EXS instrument (on different tracks and as different 
audioinstruments).  However, playback still behaves as a single 
monophonic instrument.

i.e.,

Track 1 - EXS Legato Clarinet A (AudioInstrument 1)
Track 2 - EXS Legato Clarinet B (AudioInstrument 2)

... sounds the same as Clarinet A and B played on the same (monophonic) 
track.

Other than freezing track 1, the only workaround I have found involves 
using separate files for track 1 and track 2.  These are both not very 
good solutions.  Any ideas??  Am I doing something wrong?

- Paul