Windows 8 Music app update hits the right notes but gets no
standing ovation  The Windows app update parade keeps on
marching. Mere hours after an update for Windows 8's Mail,
Calendar, and People apps popped up in the Windows Store, the
operating system's baked-in Music app is receiving a refresh of
its own, though the alterations are subtle tweaks rather than a
substantial overhaul.  In fact, the changes are so slight that
you might not even notice them if they weren't pointed out. A
new in-app volume indicator allows you to fiddle with the music
volume independently of the overall system volume, and a tweak
to the Now Playing screen now shows a list of songs queued to
play after the current track.  Here, you can see both the volume
indicator and the new playlist queue.  Buried deep in the
Preferences tab of the Settings charm, the update also includes
a new option that allows the Music app to scan your local music
collection. It then compares those file signatures against its
cloud-based music library, and