======================== unified (from filesystem) ========================
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                                        'duration'  '310'
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                                           'title'  'Thy Serpent Tongue'
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                                      'lastfmtags'  "['industrial', 'dark electro', 'ebm', 'aggrotech', 'harsh ebm']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '12'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-industrial'
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                                             'key'  '8A'
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rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TBPM' (BPM (beats per minute))                     '110.6'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-industrial'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009-10-02'
'TENC' (Encoded by)                                 'lame 3.93.1'
'TEXT' (Lyricist/Text writer)                       'Nero Bellum'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Nero Bellum'], ['producer', 'Jamison Boaz'], ['producer', 'Jason Charles Miller'], ['electric guitar and keyboard', 'Rotny Ford'], ['lead vocals', 'Nero Bellum'], ['bass guitar, electric guitar and keyboard', 'Nero Bellum'], ['keyboard', 'Vlixx Vaden'], ['membranophone', 'Jon Siren'], ['bass guitar', 'Abbey Nex']])
'TIT2' (Title/songname/content description)         'Thy Serpent Tongue'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Psyclon Nine'
'TPE2' (Band/orchestra/accompaniment)               'Psyclon Nine'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Dependent Records'
'TRCK' (Track number/Position in set)               '4/12'
'TSO2'                                              'Psyclon Nine'
'TSOP' (Performer sort order)                       'Psyclon Nine'
'TSRC' (ISRC (international standard recording code))  'US57M0961303'
'TXXX:ASIN'                                         'B002MXNN02'
'TXXX:Acoustid Id'                                  'ad461eb5-644f-499a-b642-286454cd9d70'
'TXXX:Artists'                                      'Psyclon Nine'
'TXXX:BARCODE'                                      '4042564020687'
'TXXX:CATALOGNUMBER'                                'Mind 142'
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'TXXX:MusicBrainz Album Id'                         'a3635d5d-9eeb-4bb6-bf9f-6680fc5979d5'
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'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '0541c64f-17dd-424f-9483-391599d14cb6'
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'TXXX:MusicBrainz Release Track Id'                 '5ed8035c-255a-4831-a69f-913eaec061f8'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '4'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:Writer'                                       'Nero Bellum'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['industrial', 'dark electro', 'ebm', 'aggrotech', 'harsh ebm']
'TXXX:originalyear'                                 '2009'
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'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.88 dB'
'TXXX:replaygain_track_peak'                        '0.524283'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'44a9cd75-028a-4c70-b691-a41394bc21a8')

========================== row from database ==========================
                                              'id'  1489846
                                            'path'  /data/Music/Bulk/00dwimp/2009 - We The Fallen/04 Thy Serpent Tongue.mp3
                                         'working'  None
                                         'bitrate'  319
                                    'duration_sec'  310
                                           'genre'  eid-ebm or industrial or darkwave-industrial
                                        'filesize'  12463114
                                           'mtime'  1620298312
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 2009 The 04 eid ebm or industrial or darkwave industrial
                                      'tag_artist'  Psyclon Nine
                                     'tag_release'  We the Fallen
                                       'tag_title'  Thy Serpent Tongue
                                             'bpm'  110.6
                                    'search_title'  'serpent':2 'thy':1 'tongue':3
                                   'search_artist'  'nine':2 'psyclon':1
                                  'search_release'  'fallen':3 'the':2 'we':1
                                     'search_rest'  '00dwimp':1 '2009':2 'darkwave':8 'ebm':5 'eid':4 'industrial':7 'or':6 'the':3
                                    'search_combo'  '00dwimp':9 '2009':10 'darkwave':16 'ebm':13 'eid':12 'fallen':8C 'industrial':15 'nine':5B 'or':14 'psyclon':4B 'serpent':2A 'the':7C,11 'thy':1A 'tongue':3A 'we':6C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-4', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-3', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-1', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  ['industrial', 'dark electro', 'ebm', 'aggrotech', 'harsh ebm']
                                        'tag_date'  2009
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620298311.967038  (2021-05-06 12:51:51)
                             'size'  12463114