For ten musicians:

• Oboe
• Clarinet in b-flat
• Alto saxophone
• Trombone
• Two guitars
• Violin
• Viola
• Cello
• Double Bass

Set up a virtual envirtonment with virtualenvwrapper, i.e.:

mkvirtualenv -a ~/dev/heave-sway-surge/surge/ -r ~/dev/heave-sway-surge/requirements.txt surge --python=/usr/local/bin/python3.5

then run

pip install -r requirements.txt

Make sure to add the surge directory to the virtual environment PATH variable:

add2virtualenv ~/dev/heave-sway-surge/surge