musescore/MuseScore — pull request #1440 by MarcSabatella (2014-11-07 23:12:33+00:00)
Title: Concert clef

- adds concert clef / transposing clef definitions for instruments that transpose at intervals of an octave or more

- fixes transposition errors in xylophone and celesta

- adds treble clef / transposing versions of low brass instruments

- makes a few tags more consistent for some of those instruments

- cleans up jazz genre tag assignments for low brass and also a few other instruments