Hi Thorsteinn
To break down the problem of "missing 2nd violin" a bit more: The meaning of VSL in the libraries of the first generation (Chamber, Solo, Orchestra, Appassionata) was that violin 1 and 2 are played both times with the same violin library. That's no problem, because you can break the second violin to another position on the stage. The sound of the libraries is so neutral and good that it does not stand out at all if both violins are played with the same library.
So far so good. But you can not do something with this situation, namely when violins 1 and 2 play the same note, it does not sound as if two different violins (-ensembles) are playing this same tone.
One manages the trick that Ben has mentioned above for playing two different samples at the same tone. This gives us the desired result, despite only one library.
You transpose the midi track down and on the VI player you transpose the sound back up on the audio side - or vice versa. Here you can find out how it works.
Because the SE libraries only have samples each whole note, you have to transpose the midi notes +/- 1 whole tone - otherwise you don't get a new sample.
All other libraries are sampled in semitone steps. So you could also transpose +/- semitones.
There are users who always play the 2nd violin with the this trick (samples of the 1st generation) to get a slightly different character.
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Later, VSL then offered the Dimension strings that can divide themselves within the sections, by recording individual strings, which can be played as an ensemble, string groups or individually. So "Divisi" is possible. This library included for the first time a "real recorded 2nd violin".
The Synchron-Strings" library now contains 2nd violins as well. The "Synchronized Versions" were probably prepared by VSL itself so that a quasi-2nd violin was created from the originally Violin Libraries.
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Technically, of course, it is better to be able to use a real second violin. However, the fact is that most users program the samples so badly that these errors reveal much faster that the music is played with samples than the fact that both violins are played with the same samples. Producing music with samples is also a highly technical matter. That is why many enthusiastic technicians are involved in this interesting hobby as well. Above all, the technical side is very important to this group. Fortunately, VSL has covered all wishes over time.
All the best and a lot of success
Beat