Here’s a fairly common thing that happens when one does a gig where parts are produced under a tight deadline: misprints, wrong clefs, mis-transpositions, etc. Here’s a chart with the before on the left, the after on the right – looks a little different, right? Glad I wrote a lot of theory/orchestration exercises in undergrad – came in handy to be able to pound out the manuscript for this one:
[click photo to enlarge]