deletions | additions       diff --git a/Variables.tex b/Variables.tex  index d0ae62a..399381b 100644  --- a/Variables.tex  +++ b/Variables.tex 
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Interesting tricks here: thanks to variables, we reuse the same list of scale degrees and durations for both \texttt{Pbind}s. We wanted the second scale to be descending and one octave above the first. To achieve this, we simply use the message \texttt{.reverse} to reverse the order of the list (type \texttt{$\sim$scale.reverse} on a new line and evaluate to see exactly what it does). Then we add 7 to transpose it one octave above (test it as well to see the result). We played two \texttt{Pbind}s at the same time by enclosing them within a single code block.  Exercise: create one additional \texttt{Pbind} inside the code block above, so that you hear three simultaneous voices. Use both variables (\texttt{$\sim$scale} (\texttt{~scale}  and \texttt{$\sim$durs}) \texttt{~durs})  in some different way---for example, use them inside a different Pattern; change transposition amount; multiply durations by some factor; etc.