What to do when { won't decrease stretch

Attached is my score made with v4.

I want to reduce the stretch in the individual parts e.g. Tenor Sax to get the chart to fit on one page (for iPad viewing). The solo changes can be 8 bars per line. I can't get the stretch to reduce.

I've played with Format > Style > Measure: Min Measure width and Min Note distance. So far, no luck. Any pointers?

sylogism.mscz

Been using Musescore since v1. Wow, great job on this product!