======================== unified (from filesystem) ========================
                                         'bitrate'  '260.492'
                                        'duration'  '200'
                                          'artist'  'BLO'
                                     'text_people'  ''
                                         'release'  'Lagos Disco Inferno'
                                           'title'  'Root'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-JZFKS-3', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['afrobeat', 'funk', 'psychedelic', 'african', 'nigeria']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'loc-africa-nigeria'
                                             'bpm'  '106.1'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Lagos Disco Inferno'
'TBPM' (BPM (beats per minute))                     '106.1'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-africa-nigeria'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Root'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'BLO'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Academy LPs'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['afrobeat', 'funk', 'psychedelic', 'african', 'nigeria']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.93 dB'
'TXXX:replaygain_track_peak'                        '0.598753'

========================== row from database ==========================
                                              'id'  770705
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Lagos Disco Inferno/11 Root.mp3
                                         'working'  None
                                         'bitrate'  260
                                    'duration_sec'  200
                                           'genre'  loc-africa-nigeria
                                        'filesize'  7962410
                                           'mtime'  1621628815
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 11 loc africa nigeria
                                      'tag_artist'  BLO
                                     'tag_release'  Lagos Disco Inferno
                                       'tag_title'  Root
                                             'bpm'  106.1
                                    'search_title'  'root':1
                                   'search_artist'  'blo':1
                                  'search_release'  'disco':2 'inferno':3 'lagos':1
                                     'search_rest'  'africa':2 'loc':1 'nigeria':3
                                    'search_combo'  'africa':7 'blo':2B 'disco':4C 'inferno':5C 'lagos':3C 'loc':6 'nigeria':8 'root':1A
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['afrobeat', 'funk', 'psychedelic', 'african', 'nigeria']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628815.3707328  (2021-05-21 22:26:55)
                             'size'  7962410