======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '327'
                                          'artist'  'The Cure'
                                     'text_people'  ''
                                         'release'  'Faith'
                                           'title'  'All Cats Are Grey'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'alternative', 'post punk', 'rock']"
                                     'discogstags'  "['rock', 'post-punk', 'alternative rock', 'goth rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '8'
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '110'
                                             'key'  '4A'
                                        'acoustid'  '4adf102c-a3b6-4955-9bca-e21ae30d416c'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Faith'
'TBPM' (BPM (beats per minute))                     '110'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDOR' (Original release time)                      '1981'
'TDRC' (Recording time)                             '1986'
'TFLT' (File type)                                  '/3'
'TIT2' (Title/songname/content description)         'All Cats Are Grey'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Cure'
'TPE2' (Band/orchestra/accompaniment)               'The Cure'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Fiction'
'TRCK' (Track number/Position in set)               '4/8'
'TSO2'                                              'Cure, The'
'TSOP' (Performer sort order)                       'Cure, The'
'TSRC' (ISRC (international standard recording code))  'GBALB8100004/USEE10180479'
'TXXX:ASIN'                                         'B0000261EJ'
'TXXX:Acoustid Id'                                  '4adf102c-a3b6-4955-9bca-e21ae30d416c'
'TXXX:Artists'                                      'The Cure'
'TXXX:BARCODE'                                      '042282768728'
'TXXX:CATALOGNUMBER'                                '827 687-2'
'TXXX:MusicBrainz Album Artist Id'                  '69ee3720-a7cb-4402-b48d-a02c366f2bcf'
'TXXX:MusicBrainz Album Id'                         '0b4ab1bb-c382-349e-af18-592e702c6bc6'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '69ee3720-a7cb-4402-b48d-a02c366f2bcf'
'TXXX:MusicBrainz Release Group Id'                 'ce2dda01-88b9-3134-8c35-065897e9cbb2'
'TXXX:MusicBrainz Release Track Id'                 '2db47223-a6e5-3992-833a-e69c6cd240a1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'post-punk', 'alternative rock', 'goth rock']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'alternative', 'post punk', 'rock']
'TXXX:originalyear'                                 '1981'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.76 dB'
'TXXX:replaygain_track_peak'                        '0.830739'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4a0a974b-b99a-4aba-9811-40d2999bea9c')

========================== row from database ==========================
                                              'id'  1346135
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00newwave-postpunk/The Cure/Faith/The Cure - All Cats Are Grey.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  327
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  5302471
                                           'mtime'  1620606887
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00newwave postpunk electronic we new wave or post punk
                                      'tag_artist'  The Cure
                                     'tag_release'  Faith
                                       'tag_title'  All Cats Are Grey
                                             'bpm'  110.0
                                    'search_title'  'all':1 'are':3 'cats':2 'grey':4
                                   'search_artist'  'cure':2 'the':1
                                  'search_release'  'faith':1
                                     'search_rest'  '00newwave':4 '00poprockelectronic':1 'disco':3 'electronic':6 'new':8 'or':10 'post':11 'postpunk':5 'punk':12 'wave':9 'waves':2 'we':7
                                    'search_combo'  '00newwave':11 '00poprockelectronic':8 'all':1A 'are':3A 'cats':2A 'cure':6B 'disco':10 'electronic':13 'faith':7C 'grey':4A 'new':15 'or':17 'post':18 'postpunk':12 'punk':19 'the':5B 'wave':16 'waves':9 'we':14
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'alternative', 'post punk', 'rock']
                                        'tag_date'  1986
                                     'discogstags'  ['rock', 'post-punk', 'alternative rock', 'goth rock']

============================== file details ==============================
                                           'mtime'  1620606886.7106252  (2021-05-10 02:34:46)
                             'size'  5302471