An upbar or pick-up is a bar often found at the start of a tune (or part of it) having less
duration than prescribed by the tune's meter.
An upbar is established by forcing preliminary end-of-bar by inserting a bar line
using the bar line-menu or the shortcut <|>
A similar construct is possible whenever you need an incomplete bar in the middle of a tune (bar number
Last update 2017-08-23