Description of problem:
I tried to open Gnome-Music from the shell. It crashed before opening. same when opened from terminal.

Version-Release number of selected component:
gnome-music-3.13.90-1.fc21

Additional info:
reporter:       libreport-2.2.3
cmdline:        python3 /usr/bin/gnome-music
executable:     /usr/bin/gnome-music
kernel:         3.16.1-301.fc21.x86_64
runlevel:       N 5
type:           Python3
uid:            1000

Truncated backtrace:
window.py:200:_setup_view:GLib.Error: tracker-db-interface-error-quark: Invalid child (0)

Traceback (most recent call last):
  File "/usr/lib/python3.4/site-packages/gnomemusic/application.py", line 122, in do_activate
    self._window = Window(self)
  File "/usr/lib/python3.4/site-packages/gnomemusic/__init__.py", line 44, in wrapped
    retval = fn(*v, **k)
  File "/usr/lib/python3.4/site-packages/gnomemusic/window.py", line 94, in __init__
    self._setup_view()
  File "/usr/lib/python3.4/site-packages/gnomemusic/__init__.py", line 44, in wrapped
    retval = fn(*v, **k)
  File "/usr/lib/python3.4/site-packages/gnomemusic/window.py", line 200, in _setup_view
    if cursor is not None and cursor.next(None):
GLib.Error: tracker-db-interface-error-quark: Invalid child (0)

Local variables in innermost frame:
self: <Window object at 0x7ff6e6a67d38 (gnomemusic+window+Window at 0x24042a0)>
cursor: <__main__.TrackerDBCursor object at 0x7ff6e41fd990 (TrackerDBCursor at 0x291e480)>
count: 1