======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '117'
                                          'artist'  'Howie Strange'
                                     'text_people'  ''
                                         'release'  'Cicodelico Obscure Gooves Vol. 30'
                                           'title'  'Real Gone Daddy'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-2', 'q-syn-1', 'q-bass-2', "
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 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['rockabilly', 'rare rockabilly', 'guitar', 'rock n roll']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '26'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '118.2'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000523 00000523 00000CD8 00000CD8 00000000 00000000 00000000 00000000 '
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'TALB' (Album/Movie/Show title)                     'Cicodelico Obscure Gooves Vol. 30'
'TBPM' (BPM (beats per minute))                     '118.2'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Real Gone Daddy'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Howie Strange'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '26'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf54.63.104'
'TXXX:AverageLevel'                                 '3195'
'TXXX:DeviceConformanceTemplate'                    'L1'
'TXXX:IsVBR'                                        '0'
'TXXX:MediaFoundationVersion'                       '2.112'
'TXXX:PeakValue'                                    '18081'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:WM/EncodingTime'                              '18446744072112090240'
'TXXX:WM/MediaPrimaryClassID'                       '{D1607DBC-E323-4BE2-86A1-48A42A28441E}'
'TXXX:WM/Track'                                     '25'
'TXXX:WM/UniqueFileIdentifier'                      ';'
'TXXX:WMFSDKNeeded'                                 '0.0.0.0000'
'TXXX:WMFSDKVersion'                                '12.0.7600.16385'
'TXXX:lastfmtags'                                   ['rockabilly', 'rare rockabilly', 'guitar', 'rock n roll']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.41 dB'
'TXXX:replaygain_track_peak'                        '0.317552'

========================== row from database ==========================
                                              'id'  770658
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Cicodelico Obscure Gooves Vol. 30/26 Real Gone Daddy.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  117
                                           'genre'  loc-unsorted
                                        'filesize'  2817528
                                           'mtime'  1622759241
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 26 loc unsorted
                                      'tag_artist'  Howie Strange
                                     'tag_release'  Cicodelico Obscure Gooves Vol. 30
                                       'tag_title'  Real Gone Daddy
                                             'bpm'  118.2
                                    'search_title'  'daddy':3 'gone':2 'real':1
                                   'search_artist'  'howie':1 'strange':2
                                  'search_release'  '30':6 'cicodelico':1 'gooves':3 'obscure':2 'vol':4,5
                                     'search_rest'  '26':1 'loc':2 'unsorted':3
                                    'search_combo'  '26':12 '30':11C 'cicodelico':6C 'daddy':3A 'gone':2A 'gooves':8C 'howie':4B 'loc':13 'obscure':7C 'real':1A 'strange':5B 'unsorted':14 'vol':9C,10C
                                    'tag_tracknum'  26
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['rockabilly', 'rare rockabilly', 'guitar', 'rock n roll']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622759241.3987927  (2021-06-04 00:27:21)
                             'size'  2817528