======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '264'
                                          'artist'  'Snow Patrol'
                                     'text_people'  ''
                                         'release'  'Hitlijst Billboard Top 100 - 2007'
                                           'title'  'Chasing Cars'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'alternative', 'britpop', 'indie rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '095'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '135.728'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hitlijst Billboard Top 100 - 2007'
'TBPM' (BPM (beats per minute))                     '135.728'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Chasing Cars'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Snow Patrol'
'TRCK' (Track number/Position in set)               '095'
'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:lastfmtags'                                   ['indie', 'alternative', 'britpop', 'indie rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.42 dB'
'TXXX:replaygain_track_peak'                        '0.305144'

========================== row from database ==========================
                                              'id'  1383143
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/095 - Snow Patrol - Chasing Cars.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  264
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  7413895
                                           'mtime'  1637330415
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 095 ifs songwriter indie rock
                                      'tag_artist'  Snow Patrol
                                     'tag_release'  Hitlijst Billboard Top 100 - 2007
                                       'tag_title'  Chasing Cars
                                             'bpm'  135.728
                                    'search_title'  'cars':2 'chasing':1
                                   'search_artist'  'patrol':2 'snow':1
                                  'search_release'  '100':4 '2007':5 'billboard':2 'hitlijst':1 'top':3
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'ifs':7 'indie':9 'loose':3,4 'rock':10 'songwriter':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 '100':8C '2007':9C 'billboard':6C 'cars':2A 'chasing':1A 'files':14,15 'hitlijst':5C 'ifs':16 'indie':18 'loose':12,13 'patrol':4B 'rock':19 'snow':3B 'songwriter':17 'top':7C 'unsorted':11
                                    'tag_tracknum'  95
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'britpop', 'indie rock', 'rock']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330414.9016964  (2021-11-19 15:00:14)
                             'size'  7413895