======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '27'
                                          'artist'  '3 Women & 3 Men'
                                     'text_people'  ''
                                         'release'  'Traditional Greenlandic Music'
                                           'title'  'Uummannaq-Upernavik : 3 Women & 3 Men'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-1', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '24'
                                      'tracktotal'  '55'
                                            'date'  '1906'
                                        'comments'  ''
                                           'genre'  'loc-greenland'
                                             'bpm'  '84.210'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000833 00000ACD 00002C99 00003CB6 00004CA1 00004CA1 00005221 00005B47 '
 '000033F0 000033F0')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000978 00000000001276F8 00000000 000854A7 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '55+74BAA4B4DDE292379BAEA7AEAA80332F+4094938'
'TALB' (Album/Movie/Show title)                     'Traditional Greenlandic Music'
'TBPM' (BPM (beats per minute))                     '84.210'
'TCON' (Content type, a.k.a. Genre)                 'loc-greenland'
'TDRC' (Recording time)                             '1906'
'TENC' (Encoded by)                                 'iTunes v7.5'
'TIT2' (Title/songname/content description)         'Uummannaq-Upernavik : 3 Women & 3 Men'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               '3 Women & 3 Men'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '24/55'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.47 dB'
'TXXX:replaygain_track_peak'                        '0.423413'

========================== row from database ==========================
                                              'id'  660410
                                            'path'  /data/Music/Bulk/00localcharacter/55 Historical Recordings/24 Uummannaq-Upernavik _ 3 Women & 3 Men.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  27
                                           'genre'  loc-greenland
                                        'filesize'  552408
                                           'mtime'  1621627095
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 55 Historical Recordings 24 _ loc greenland
                                      'tag_artist'  3 Women & 3 Men
                                     'tag_release'  Traditional Greenlandic Music
                                       'tag_title'  Uummannaq-Upernavik : 3 Women & 3 Men
                                             'bpm'  84.21
                                    'search_title'  '3':4 'men':6 'upernavik':2 'uummannaq':1 'uummannaqupernavik':3 'women':5
                                   'search_artist'  '3':1 'men':3 'women':2
                                  'search_release'  'greenlandic':2 'music':3 'traditional':1
                                     'search_rest'  '24':4 '55':1 'greenland':6 'historical':2 'loc':5 'recordings':3
                                    'search_combo'  '24':16 '3':4A,7B '55':13 'greenland':18 'greenlandic':11C 'historical':14 'loc':17 'men':6A,9B 'music':12C 'recordings':15 'traditional':10C 'upernavik':2A 'uummannaq':1A 'uummannaqupernavik':3A 'women':5A,8B
                                    'tag_tracknum'  24
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-1', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1906
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627095.3140976  (2021-05-21 21:58:15)
                             'size'  552408