======================== unified (from filesystem) ========================
                                         'bitrate'  '162.376'
                                        'duration'  '286'
                                          'artist'  'Chinese Man'
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                                         'release'  'The Groove Sessions, Volume 1: 2004-2007'
                                           'title'  'Skank in the Air'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
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 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['turntablism', 'electronic', 'trip hop', 'hip hop', 'french']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '12'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '109.5'
                                             'key'  '3A'
                                        'acoustid'  '02ae2836-1c48-466f-af30-bbe3e21ea1d6'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Groove Sessions, Volume 1: 2004-2007'
'TBPM' (BPM (beats per minute))                     '109.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2008-04-28'
'TENC' (Encoded by)                                 "LAME Ain't an MP3 Encoder"
'TIT2' (Title/songname/content description)         'Skank in the Air'
'TKEY' (Initial key)                                '3A'
'TLAN' (Language(s))                                'English'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Chinese Man'
'TPE2' (Band/orchestra/accompaniment)               'Chinese Man'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Chinese Man Records'
'TRCK' (Track number/Position in set)               '9/12'
'TSO2'                                              'Chinese Man'
'TSOP' (Performer sort order)                       'Chinese Man'
'TXXX:ASIN'                                         'B0016P9FR2'
'TXXX:Acoustid Id'                                  '02ae2836-1c48-466f-af30-bbe3e21ea1d6'
'TXXX:Artists'                                      'Chinese Man'
'TXXX:BARCODE'                                      '3760147762656'
'TXXX:CATALOGNUMBER'                                'CMR006'
'TXXX:MusicBrainz Album Artist Id'                  '0837d2bc-ceb6-4512-9490-b30f5c0390fa'
'TXXX:MusicBrainz Album Id'                         '4217e218-c676-3e8b-be14-f07a7d3a2999'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '0837d2bc-ceb6-4512-9490-b30f5c0390fa'
'TXXX:MusicBrainz Release Group Id'                 '02fb7aa8-693c-3d05-9ee3-5c62440512ae'
'TXXX:MusicBrainz Release Track Id'                 'c93d754f-903e-3b3d-8916-f5a174e6087f'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['turntablism', 'electronic', 'trip hop', 'hip hop', 'french']
'TXXX:originalyear'                                 '2007'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.80 dB'
'TXXX:replaygain_track_peak'                        '0.428174'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'bb109cf8-6ae0-4464-9483-68e1d9081e4a')
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.chinesemanrecords.com/')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Chinese Man - Chinese_Man-The_Groove_Sessions-2007-JUST/09-chinese_man-skank_in_the_air.mp3
                                         'working'  None
                                         'bitrate'  162
                                    'duration_sec'  286
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  5891277
                                           'mtime'  1636910374
                                   'redo_metaread'  0
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                                      'tag_artist'  Chinese Man
                                     'tag_release'  The Groove Sessions, Volume 1: 2004-2007
                                       'tag_title'  Skank in the Air
                                             'bpm'  109.5
                                    'search_title'  'air':4 'in':2 'skank':1 'the':3
                                   'search_artist'  'chinese':1 'man':2
                                  'search_release'  '1':6,7 '2004':8 '20042007':10 '2007':9 'groove':2 'sessions':3,4 'the':1 'volume':5
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'acid':18 'air':12 'chinese':3 'downtempo':17 'electronic':13 'groove':6 'hop':15 'in':10 'jazz':19 'just':8 'man':4 'or':16 'sessions':7 'skank':9 'the':5,11 'trip':14
                                    'search_combo'  '00poprockelectronic':17 '00trip':18 '1':12C,13C '2004':14C '20042007':16C '2007':15C 'acid':34 'air':4A,28 'chinese':5B,19 'downtempo':33 'electronic':29 'groove':8C,22 'hop':31 'in':2A,26 'jazz':35 'just':24 'man':6B,20 'or':32 'sessions':9C,10C,23 'skank':1A,25 'the':3A,7C,21,27 'trip':30 'volume':11C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-3', '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-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['turntablism', 'electronic', 'trip hop', 'hip hop', 'french']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910374.458313  (2021-11-14 18:19:34)
                             'size'  5891277