======================== unified (from filesystem) ========================
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                                        'duration'  '168'
                                          'artist'  'Mindless Self Indulgence'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '11'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-industrial'
                                             'bpm'  '96'
                                             'key'  '7A'
                                        'acoustid'  '47714ac1-e0b9-4774-8aa5-eb90f9d56a67'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Bitches / Molly'
'TBPM' (BPM (beats per minute))                     '96'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-industrial'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-04-04'
'TIT2' (Title/songname/content description)         "Bitches (Michael Patterson's SubBass club mix)"
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Mindless Self Indulgence'
'TPE2' (Band/orchestra/accompaniment)               'Mindless Self Indulgence'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Elektra'
'TRCK' (Track number/Position in set)               '1/11'
'TSO2'                                              'Mindless Self Indulgence'
'TSOP' (Performer sort order)                       'Mindless Self Indulgence'
'TXXX:ASIN'                                         'B00004SGTY'
'TXXX:Acoustid Id'                                  '47714ac1-e0b9-4774-8aa5-eb90f9d56a67'
'TXXX:Artists'                                      'Mindless Self Indulgence'
'TXXX:BARCODE'                                      '075596703222'
'TXXX:CATALOGNUMBER'                                '67032-2'
'TXXX:MusicBrainz Album Artist Id'                  '44f42386-a733-4b51-8298-fe5c807d03aa'
'TXXX:MusicBrainz Album Id'                         'c8208cd8-8510-4704-a1d1-f79799a31bb4'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'single'
'TXXX:MusicBrainz Artist Id'                        '44f42386-a733-4b51-8298-fe5c807d03aa'
'TXXX:MusicBrainz Release Group Id'                 '78c6b978-1fbc-396e-9877-bb6a26cf8813'
'TXXX:MusicBrainz Release Track Id'                 '61069fc5-89ba-3a7c-aa8e-f49739b52064'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['industrial jungle pussy punk',
 'electronic',
 'alternative',
 'industrial',
 'punk']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.89 dB'
'TXXX:replaygain_track_peak'                        '0.468079'
'TXXX:tempo'                                        '00000 BPM'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f16e63e7-d8f4-423b-b51c-a9960abcbafd')

========================== row from database ==========================
                                              'id'  1501632
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Mindless Self Indulgence/2000 - Bitches - Molly/01. Bitches (Michael Patterson_s SubBase Club Mix).mp3
                                         'working'  None
                                         'bitrate'  180
                                    'duration_sec'  168
                                           'genre'  eid-ebm or industrial or darkwave-industrial
                                        'filesize'  3890139
                                           'mtime'  1620298488
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 2000 01. Patterson_s SubBase Club Mix) eid ebm or industrial or darkwave industrial
                                      'tag_artist'  Mindless Self Indulgence
                                     'tag_release'  Bitches / Molly
                                       'tag_title'  Bitches (Michael Patterson's SubBass club mix)
                                             'bpm'  96.0
                                    'search_title'  'bass':12 'bitches':1 'club':8 'michael':2,3 'mix':9,10 'patterson':4 'pattersons':6 's':5 'sub':11 'subbass':7
                                   'search_artist'  'indulgence':3 'mindless':1 'self':2
                                  'search_release'  'bitches':1 'molly':2
                                     'search_rest'  '01':6,7 '2000':5 'base':20 'club':11 'darkwave':18 'ebm':15 'eid':14 'hiphop':1 'industrial':17 'mix':12,13 'or':16 'patterson':8 'rap':2 'rnb':3 's':9 'sub':19 'subbase':10 'turntablism':4
                                    'search_combo'  '01':23,24 '2000':22 'base':37 'bass':12A 'bitches':1A,16C 'club':8A,28 'darkwave':35 'ebm':32 'eid':31 'hiphop':18 'indulgence':15B 'industrial':34 'michael':2A,3A 'mindless':13B 'mix':9A,10A,29,30 'molly':17C 'or':33 'patterson':4A,25 'pattersons':6A 'rap':19 'rnb':20 's':5A,26 'self':14B 'sub':11A,36 'subbase':27 'subbass':7A 'turntablism':21
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['industrial jungle pussy punk', 'electronic', 'alternative', 'industrial', 'punk']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620298488.1909544  (2021-05-06 12:54:48)
                             'size'  3890139