======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '267'
                                          'artist'  'Cocteau Twins'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Alice'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative', 'shoegaze', 'post punk', 'dream pop', 'ethereal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '14'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '140'
                                             'key'  '2A'
                                        'acoustid'  'fe3421cf-8b19-4d21-abd3-daf77fd9c693'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TBPM' (BPM (beats per minute))                     '140'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2006-03-21'
'TIT2' (Title/songname/content description)         'Alice'
'TKEY' (Initial key)                                '2A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Cocteau Twins'
'TPE2' (Band/orchestra/accompaniment)               'Cocteau Twins'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  '4AD'
'TRCK' (Track number/Position in set)               '14/14'
'TSO2'                                              'Cocteau Twins'
'TSOP' (Performer sort order)                       'Cocteau Twins'
'TXXX:ASIN'                                         'B000DXSE52'
'TXXX:Acoustid Id'                                  'fe3421cf-8b19-4d21-abd3-daf77fd9c693'
'TXXX:Artists'                                      'Cocteau Twins'
'TXXX:BARCODE'                                      '652637251425'
'TXXX:CATALOGNUMBER'                                'DAD 2514 CD'
'TXXX:Mp3gain_minmax'                               '000,195'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['alternative', 'shoegaze', 'post punk', 'dream pop', 'ethereal']
'TXXX:originalyear'                                 '2005'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.69 dB'
'TXXX:replaygain_track_peak'                        '0.523805'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e773c40e-2a4c-49f4-b093-bd019c7c86e9')

========================== row from database ==========================
                                              'id'  1343891
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/alice - Cocteau Twins-Dead Can Dance.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  267
                                           'genre'  rock-unsorted
                                        'filesize'  4330117
                                           'mtime'  1620392382
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] alice Dead Can Dance rock unsorted
                                      'tag_artist'  Cocteau Twins
                                     'tag_release'  None
                                       'tag_title'  Alice
                                             'bpm'  140.0
                                    'search_title'  'alice':1
                                   'search_artist'  'cocteau':1 'twins':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'alice':7 'can':9 'dance':10 'dead':8 'files':5,6 'loose':3,4 'rock':11 'unsorted':2
                                    'search_combo'  '00poprockelectronic':4 'alice':1A,10 'can':12 'cocteau':2B 'dance':13 'dead':11 'files':8,9 'loose':6,7 'rock':14 'twins':3B 'unsorted':5
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'shoegaze', 'post punk', 'dream pop', 'ethereal']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392382.2844083  (2021-05-07 14:59:42)
                             'size'  4330117