======================== unified (from filesystem) ========================
                                         'bitrate'  '191.973'
                                        'duration'  '185'
                                          'artist'  'Maxïmo Park'
                                     'text_people'  ''
                                         'release'  'A Certain Trigger'
                                           'title'  'Graffiti'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'alternative', 'british', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '121.047'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'A Certain Trigger'
'TBPM' (BPM (beats per minute))                     '121.047'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TIT2' (Title/songname/content description)         'Graffiti'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Maxïmo Park'
'TRCK' (Track number/Position in set)               '3'
'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:discogstags'                                  ['rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'british', 'indie rock', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '+5.64 dB'
'TXXX:replaygain_track_peak'                        '0.138857'

========================== row from database ==========================
                                              'id'  1338411
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/03 - Graffiti.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  185
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4450343
                                           'mtime'  1637330414
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 03 ifs songwriter indie rock
                                      'tag_artist'  Maxïmo Park
                                     'tag_release'  A Certain Trigger
                                       'tag_title'  Graffiti
                                             'bpm'  121.047
                                    'search_title'  'graffiti':1
                                   'search_artist'  'maximo':1,2 'park':3
                                  'search_release'  'a':1 'certain':2 'trigger':3
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'ifs':7 'indie':9 'loose':3,4 'rock':10 'songwriter':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':8 'a':5C 'certain':6C 'files':12,13 'graffiti':1A 'ifs':14 'indie':16 'loose':10,11 'maximo':2B,3B 'park':4B 'rock':17 'songwriter':15 'trigger':7C 'unsorted':9
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12B
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'british', 'indie rock', 'rock']
                                        'tag_date'  
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1637330414.2338152  (2021-11-19 15:00:14)
                             'size'  4450343