======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '138'
                                          'artist'  'The Changelings'
                                     'text_people'  ''
                                         'release'  'Terra Firma'
                                           'title'  'Mirage'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', "
 "'Q-HHRNBTT-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-4', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ambient', 'female vocalists', 'new age', 'gothic', 'ethereal', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '13'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic;eid-goth or gothrock-gothrock'
                                             'bpm'  '84.245'
                                             'key'  '4A'
                                        'acoustid'  '67e625ec-f1e8-476a-ae2b-5863124842ec'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Terra Firma'
'TBPM' (BPM (beats per minute))                     '84.245'
'TCON' (Content type, a.k.a. Genre)                 ['electronic', 'eid-goth or gothrock-gothrock', 'electronic']
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Burst mode)'
'TIT2' (Title/songname/content description)         'Mirage'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Changelings'
'TPE2' (Band/orchestra/accompaniment)               'The Changelings'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '5/13'
'TSO2'                                              'Changelings, The'
'TSOP' (Performer sort order)                       'Changelings, The'
'TXXX:Acoustid Id'                                  '67e625ec-f1e8-476a-ae2b-5863124842ec'
'TXXX:MusicBrainz Album Artist Id'                  '14563558-8e3e-4bb2-82d3-3847ea52863f'
'TXXX:MusicBrainz Album Id'                         '2292fbe0-2323-4337-92e0-83ec97764741'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '14563558-8e3e-4bb2-82d3-3847ea52863f'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['ambient', 'female vocalists', 'new age', 'gothic', 'ethereal', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.05 dB'
'TXXX:replaygain_track_peak'                        '0.749529'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c6d2c755-465a-4cc3-aaa4-2f48ffb3a568')

========================== row from database ==========================
                                              'id'  1376332
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/the changelings - terra firma (97)/05 - Mirage.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  138
                                           'genre'  electronic;eid-goth or gothrock-gothrock
                                        'filesize'  3324577
                                           'mtime'  1636913611
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer the changelings terra firma (97) 05 electronic;eid goth or gothrock gothrock
                                      'tag_artist'  The Changelings
                                     'tag_release'  Terra Firma
                                       'tag_title'  Mirage
                                             'bpm'  84.245
                                    'search_title'  'mirage':1
                                   'search_artist'  'changelings':2 'the':1
                                  'search_release'  'firma':2 'terra':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '97':7,8 'changelings':4 'eid':10,12 'electronic':9,11 'firma':6 'goth':13 'gothrock':15 'or':14 'terra':5 'the':3
                                    'search_combo'  '00calmer':7 '00poprockelectronic':6 '97':12,13 'changelings':3B,9 'eid':15,17 'electronic':14,16 'firma':5C,11 'goth':18 'gothrock':20 'mirage':1A 'or':19 'terra':4C,10 'the':2B,8
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ambient', 'female vocalists', 'new age', 'gothic', 'ethereal', 'rock']
                                        'tag_date'  1997
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636913610.6393971  (2021-11-14 19:13:30)
                             'size'  3324577