The popular professional notation software, Sibelius, has been updated to version 4.1. This release includes support for the new Garritan Personal Orchestra Sibelius Edition and Sibelius Rock and Pop Collection products. Other features include: Two new plug-ins, bar number ranges on multirests, the ability to advance through attached video files one frame at a time, access to MIDI controller change messages via Play > Dictionary, and easy creation of dynamic parts in different transpositions from the same instrument. Sebelius 4.1 also supports new timecode formats, Apple’s new Mighty Mouse, and PostScript (Type 1) music fonts. This is a free upgrade for registered users of the Sibelius version 4 package.