======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '139'
                                          'artist'  'Matmos & People Like Us & Wobbly'
                                     'text_people'  ''
                                         'release'  'Wide Open Spaces'
                                           'title'  'I Must Die'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '13'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '141.5'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'COMM:iTunNORM:eng'                                 (' 0000080F 00000AAA 00003E2F 000053E8 000186B7 000186A0 00006DA2 000079B2 '
 '000186B7 000186B7')
'TALB' (Album/Movie/Show title)                     'Wide Open Spaces'
'TBPM' (BPM (beats per minute))                     '141.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDEN' (Encoding time)                              '2005-04-12 19:07'
'TDRC' (Recording time)                             '2003'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Burst mode)'
'TIT2' (Title/songname/content description)         'I Must Die'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Matmos & People Like Us & Wobbly'
'TRCK' (Track number/Position in set)               '12/13'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.59 dB'
'TXXX:replaygain_track_peak'                        '0.499755'

========================== row from database ==========================
                                              'id'  476152
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Wide Open Spaces/12 I Must Die.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  139
                                           'genre'  electronic-unsorted
                                        'filesize'  3342737
                                           'mtime'  1636759167
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 12 electronic unsorted
                                      'tag_artist'  Matmos & People Like Us & Wobbly
                                     'tag_release'  Wide Open Spaces
                                       'tag_title'  I Must Die
                                             'bpm'  141.5
                                    'search_title'  'die':3 'i':1 'must':2
                                   'search_artist'  'like':3 'matmos':1 'people':2 'us':4 'wobbly':5
                                  'search_release'  'open':2 'spaces':3 'wide':1
                                     'search_rest'  'electronic':1 'unsorted':2
                                    'search_combo'  'die':3A 'electronic':12 'i':1A 'like':6B 'matmos':4B 'must':2A 'open':10C 'people':5B 'spaces':11C 'unsorted':13 'us':7B 'wide':9C 'wobbly':8B
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636759166.7365139  (2021-11-13 00:19:26)
                             'size'  3342737