======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '321'
                                          'artist'  'Pet Shop Boys'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "It Couldn't Happen Here"
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
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 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
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                                      'lastfmtags'  "['80s', 'new wave', 'electronic', 'pop', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '10'
                                            'date'  '2018'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '120'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '120'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDOR' (Original release time)                      '1987'
'TDRC' (Recording time)                             '2018-03-02'
'TIT2' (Title/songname/content description)         "It Couldn't Happen Here"
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Pet Shop Boys'
'TPE2' (Band/orchestra/accompaniment)               'Pet Shop Boys'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Parlophone'
'TRCK' (Track number/Position in set)               '6/10'
'TSO2'                                              'Pet Shop Boys'
'TSOP' (Performer sort order)                       'Pet Shop Boys'
'TSRC' (ISRC (international standard recording code))  'GBAYE0100056'
'TSST' (Set subtitle)                               'Actually'
'TXXX:Artists'                                      'Pet Shop Boys'
'TXXX:BARCODE'                                      '0190295826222'
'TXXX:CATALOGNUMBER'                                '0190295826222'
'TXXX:Mp3gain_minmax'                               '141,193'
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'TXXX:MusicBrainz Album Artist Id'                  'be540c02-7898-4b79-9acc-c8122c7d9e83'
'TXXX:MusicBrainz Album Id'                         'c2024533-b896-4fb3-892a-69efa9abedca'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'be540c02-7898-4b79-9acc-c8122c7d9e83'
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'TXXX:MusicBrainz Release Track Id'                 '0aa2d1f4-b406-4214-8119-ee970452d978'
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'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'                                   ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
'TXXX:originalyear'                                 '1987'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.13 dB'
'TXXX:replaygain_track_peak'                        '0.701849'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'83717b91-0464-4a1d-a0a4-4c97af0caf4f')

========================== row from database ==========================
                                              'id'  1509390
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Pet Shop Boys/Pet Shop Boys - It Couldn_t Happen Here.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  321
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  5156320
                                           'mtime'  1620610144
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo Couldn_t electronic we disco or italo
                                      'tag_artist'  Pet Shop Boys
                                     'tag_release'  None
                                       'tag_title'  It Couldn't Happen Here
                                             'bpm'  120.0
                                    'search_title'  'couldn':2 'couldnt':4 'happen':5 'here':6 'it':1 't':3
                                   'search_artist'  'boys':3 'pet':1 'shop':2
                                  'search_release'  
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 'couldn':6 'disco':3 'electronic':8 'italo':5 'or':10 't':7 'waves':2 'we':9
                                    'search_combo'  '00disco':13 '00poprockelectronic':10 'boys':9B 'couldn':2A,15 'couldnt':4A 'disco':12 'electronic':17 'happen':5A 'here':6A 'it':1A 'italo':14 'or':19 'pet':7B 'shop':8B 't':3A,16 'waves':11 'we':18
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
                                        'tag_date'  2018
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620610144.2115526  (2021-05-10 03:29:04)
                             'size'  5156320