======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '377'
                                          'artist'  'High Tone'
                                     'text_people'  ''
                                         'release'  'Acid Dub Nucleik'
                                           'title'  'Buck Up (Sci-Fi dub)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-LOCALNESS-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['experimental', 'dub', 'electronic', 'electro dub', 'french']"
                                     'discogstags'  "['dub']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '10'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '85.597'
                                             'key'  '9A'
                                        'acoustid'  '03d3944f-7fc0-44fa-8ab7-61a93f6b08e0'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000A3B 00000C60 00009061'
'COMM:iTunNORM:eng'                                 (' 00000A3B 00000C60 00009061 0001265F 0000B9D0 000543DB 00008609 00008B79 '
 '000125AC 000434BC')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000930 0000000000FDA940 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '10+27C2C34D726138A0CF694492EFEE8897+2019007'
'TALB' (Album/Movie/Show title)                     'Acid Dub Nucleik'
'TBPM' (BPM (beats per minute))                     '85.597'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002-04-22'
'TENC' (Encoded by)                                 'iTunes v6.0.1.3'
'TIT2' (Title/songname/content description)         'Buck Up (Sci-Fi dub)'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'High Tone'
'TPE2' (Band/orchestra/accompaniment)               'High Tone'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Jarring Effects'
'TRCK' (Track number/Position in set)               '7/10'
'TSO2'                                              'High Tone'
'TSOP' (Performer sort order)                       'High Tone'
'TXXX:ASIN'                                         'B0000646VI'
'TXXX:Acoustid Id'                                  '03d3944f-7fc0-44fa-8ab7-61a93f6b08e0'
'TXXX:BARCODE'                                      '5413356175325'
'TXXX:CATALOGNUMBER'                                'FX 025 CD'
'TXXX:MusicBrainz Album Artist Id'                  '1291f699-f20e-43c1-9d95-761d7db60b79'
'TXXX:MusicBrainz Album Id'                         '7b7e707b-a505-4159-ab4b-aec5c5a858bc'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '1291f699-f20e-43c1-9d95-761d7db60b79'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'dub'
'TXXX:lastfmtags'                                   ['experimental', 'dub', 'electronic', 'electro dub', 'french']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.98 dB'
'TXXX:replaygain_track_peak'                        '0.483181'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'43700872-aad4-425d-a75e-6aa25fcaa054')

========================== row from database ==========================
                                              'id'  1407001
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/A.D.N. (Acid Dub Nucleik)/07 Buck Up (SCI-FI Dub.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  377
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  9056854
                                           'mtime'  1621630010
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat A.D.N. (Acid Nucleik) 07 (SCI FI electronic generic or radio dance
                                      'tag_artist'  High Tone
                                     'tag_release'  Acid Dub Nucleik
                                       'tag_title'  Buck Up (Sci-Fi dub)
                                             'bpm'  85.597
                                    'search_title'  'buck':1 'dub':6,7 'fi':4 'sci':3 'scifi':5 'up':2
                                   'search_artist'  'high':1 'tone':2
                                  'search_release'  'acid':1 'dub':2 'nucleik':3
                                     'search_rest'  '00poprockelectronic':1 'a':5 'acid':9,10 'adn':8 'd':6 'dance':3 'electronic':16 'fi':15 'generic':2 'n':7 'nucleik':11,12 'or':17 'radio':18 'sci':13,14 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':13 'a':17 'acid':10C,21,22 'adn':20 'buck':1A 'd':18 'dance':15 'dub':6A,7A,11C 'electronic':28 'fi':4A,27 'generic':14 'high':8B 'n':19 'nucleik':12C,23,24 'or':29 'radio':30 'sci':3A,25,26 'scifi':5A 'tone':9B 'trapbeat':16 'up':2A
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['experimental', 'dub', 'electronic', 'electro dub', 'french']
                                        'tag_date'  2002
                                     'discogstags'  ['dub']

============================== file details ==============================
                                           'mtime'  1621630010.1521761  (2021-05-21 22:46:50)
                             'size'  9056854