======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '217'
                                          'artist'  'Spinvis'
                                     'text_people'  ''
                                         'release'  'tot ziens, Justine Keller'
                                           'title'  'heel goed nieuws'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'nederlandstalig', 'singer songwriter', 'alternative', 'dutch']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;loc-eur-netherlands'
                                             'bpm'  '103.115'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:n'                                            type PictureType.COVER_FRONT (Cover (front)) b'n'
                                     
'TALB' (Album/Movie/Show title)                     'tot ziens, Justine Keller'
'TBPM' (BPM (beats per minute))                     '103.115'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'loc-eur-netherlands']
'TCOP' (Copyright message)                          '(C) 2011 Excelsior Recordings'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'heel goed nieuws'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Spinvis'
'TPUB' (Publisher)                                  'Excelsior Recordings'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['indie', 'nederlandstalig', 'singer songwriter', 'alternative', 'dutch']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                        '-0.53 dB'
'TXXX:replaygain_track_peak'                        '0.398285'

========================== row from database ==========================
                                              'id'  1344415
                                            'path'  /data/Music/Bulk/00poprockelectronic/Spinvis - tot ziens, Justine Keller/Spinvis - tot ziens, Justine Keller - 04 - heel goed nieuws.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  217
                                           'genre'  ifs-songwriter;loc-eur-netherlands
                                        'filesize'  5243729
                                           'mtime'  1620560551
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 04 ifs songwriter;loc eur netherlands
                                      'tag_artist'  Spinvis
                                     'tag_release'  tot ziens, Justine Keller
                                       'tag_title'  heel goed nieuws
                                             'bpm'  103.115
                                    'search_title'  'goed':2 'heel':1 'nieuws':3
                                   'search_artist'  'spinvis':1
                                  'search_release'  'justine':4 'keller':5 'tot':1 'ziens':2,3
                                     'search_rest'  '00poprockelectronic':1 'eur':7 'ifs':2 'loc':4,6 'netherlands':8 'songwriter':3,5
                                    'search_combo'  '00poprockelectronic':10 'eur':16 'goed':2A 'heel':1A 'ifs':11 'justine':8C 'keller':9C 'loc':13,15 'netherlands':17 'nieuws':3A 'songwriter':12,14 'spinvis':4B 'tot':5C 'ziens':6C,7C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'nederlandstalig', 'singer songwriter', 'alternative', 'dutch']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560551.2596698  (2021-05-09 13:42:31)
                             'size'  5243729