======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '160'
                                          'artist'  'The Runaways'
                                     'text_people'  ''
                                         'release'  'Neon Angels'
                                           'title'  'Blackmail'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['female vocalists', 'punk', 'glam rock', 'rock', 'hard rock', '70s']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '12'
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'rock-gr-hard;rock-pop-glam'
                                             'bpm'  '145.580'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Neon Angels'
'TBPM' (BPM (beats per minute))                     '145.580'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-hard', 'rock-pop-glam']
'TDRC' (Recording time)                             '1992'
'TENC' (Encoded by)                                 'FairStars Audio Converter'
'TIT2' (Title/songname/content description)         'Blackmail'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Runaways'
'TPE2' (Band/orchestra/accompaniment)               'The Runaways'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '2/12'
'TSO2'                                              'Runaways, The'
'TSOP' (Performer sort order)                       'Runaways, The'
'TXXX:MusicBrainz Album Artist Id'                  'ded0d67a-eb71-4fe9-83c0-1d18b8ed497e'
'TXXX:MusicBrainz Album Id'                         '4bacc65d-3b4e-4199-9b38-c11fac31225c'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'ded0d67a-eb71-4fe9-83c0-1d18b8ed497e'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['female vocalists', 'punk', 'glam rock', 'rock', 'hard rock', '70s']
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.22 dB'
'TXXX:replaygain_track_peak'                        '0.418563'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c7547139-8734-429e-ade5-1bce16bf572f')

========================== row from database ==========================
                                              'id'  1324201
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Runaways/1992 - Neon Angels/02 - Blackmail.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  160
                                           'genre'  rock-gr-hard;rock-pop-glam
                                        'filesize'  6436736
                                           'mtime'  1622658900
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1992 02 rock gr hard;rock pop glam
                                      'tag_artist'  The Runaways
                                     'tag_release'  Neon Angels
                                       'tag_title'  Blackmail
                                             'bpm'  145.58
                                    'search_title'  'blackmail':1
                                   'search_artist'  'runaways':2 'the':1
                                  'search_release'  'angels':2 'neon':1
                                     'search_rest'  '00poprockelectronic':1 '1992':2 'glam':10 'gr':4 'hard':5,7 'pop':9 'rock':3,6,8
                                    'search_combo'  '00poprockelectronic':6 '1992':7 'angels':5C 'blackmail':1A 'glam':15 'gr':9 'hard':10,12 'neon':4C 'pop':14 'rock':8,11,13 'runaways':3B 'the':2B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', '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'  ['female vocalists', 'punk', 'glam rock', 'rock', 'hard rock', '70s']
                                        'tag_date'  1992
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622658899.6002421  (2021-06-02 20:34:59)
                             'size'  6436736