======================== unified (from filesystem) ========================
                                         'bitrate'  '180.994'
                                        'duration'  '135'
                                          'artist'  'De Anale Fase'
                                     'text_people'  ''
                                         'release'  'Uittocht'
                                           'title'  'Kapotlied'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'Q-PLAY-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-4', 'q-chart-1', 'q-drums-1', 'q-other-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['zxzw 2009', 'incubate', 'incubate2009', 'zxzw', 'incubate 2009']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands'
                                             'bpm'  '90.210'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Uittocht'
'TBPM' (BPM (beats per minute))                     '90.210'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-netherlands'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Kapotlied'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'De Anale Fase'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['zxzw 2009', 'incubate', 'incubate2009', 'zxzw', 'incubate 2009']
'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-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.26 dB'
'TXXX:replaygain_track_peak'                        '0.372432'

========================== row from database ==========================
                                              'id'  1491058
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/de Anale Fase/Uittocht/De Anale Fase - Kapotlied.mp3
                                         'working'  None
                                         'bitrate'  181
                                    'duration_sec'  135
                                           'genre'  loc-eur-netherlands
                                        'filesize'  3075728
                                           'mtime'  1621629414
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch de loc eur netherlands
                                      'tag_artist'  De Anale Fase
                                     'tag_release'  Uittocht
                                       'tag_title'  Kapotlied
                                             'bpm'  90.21
                                    'search_title'  'kapotlied':1
                                   'search_artist'  'anale':2 'de':1 'fase':3
                                  'search_release'  'uittocht':1
                                     'search_rest'  '00dutch':4 '00mid':1 'de':5 'eur':7 'europe':3 'loc':6 'netherlands':8 'north':2
                                    'search_combo'  '00dutch':9 '00mid':6 'anale':3B 'de':2B,10 'eur':12 'europe':8 'fase':4B 'kapotlied':1A 'loc':11 'netherlands':13 'north':7 'uittocht':5C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['zxzw 2009', 'incubate', 'incubate2009', 'zxzw', 'incubate 2009']
                                        'tag_date'  2009
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621629413.6088548  (2021-05-21 22:36:53)
                             'size'  3075728