======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '249'
                                          'artist'  'Evanescence'
                                     'text_people'  ''
                                         'release'  'Ultra Rare Trax, Volume 1'
                                           'title'  'Even in Death'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['gothic', 'gothic rock', 'female vocalists', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'eid-goth or gothrock-gothrock'
                                             'bpm'  '84.350'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ultra Rare Trax, Volume 1'
'TBPM' (BPM (beats per minute))                     '84.350'
'TCON' (Content type, a.k.a. Genre)                 'eid-goth or gothrock-gothrock'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Even in Death'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Evanescence'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['gothic', 'gothic rock', 'female vocalists', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.80 dB'
'TXXX:replaygain_track_peak'                        '0.397596'

========================== row from database ==========================
                                              'id'  1401995
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/Evanescence/2000 - Origin EP/Evanescence - Origin EP - 07 - Even In Death.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  249
                                           'genre'  eid-goth or gothrock-gothrock
                                        'filesize'  5983743
                                           'mtime'  1620300577
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth 2000 Origin EP Origin EP 07 In eid goth or gothrock gothrock
                                      'tag_artist'  Evanescence
                                     'tag_release'  Ultra Rare Trax, Volume 1
                                       'tag_title'  Even in Death
                                             'bpm'  84.35
                                    'search_title'  'death':3 'even':1 'in':2
                                   'search_artist'  'evanescence':1
                                  'search_release'  '1':6 'rare':2 'trax':3,4 'ultra':1 'volume':5
                                     'search_rest'  '00dwimp':1 '00ebm':2 '2000':6 'darkwave':4 'eid':10 'ep':8 'goth':5 'gothrock':12 'in':9 'industrial':3 'or':11 'origin':7
                                    'search_combo'  '00dwimp':11 '00ebm':12 '1':10C '2000':16 'darkwave':14 'death':3A 'eid':20 'ep':18 'evanescence':4B 'even':1A 'goth':15 'gothrock':22 'in':2A,19 'industrial':13 'or':21 'origin':17 'rare':6C 'trax':7C,8C 'ultra':5C 'volume':9C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['gothic', 'gothic rock', 'female vocalists', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620300577.2631829  (2021-05-06 13:29:37)
                             'size'  5983743