======================== unified (from filesystem) ========================
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                                        'duration'  '345'
                                          'artist'  'Deutsch Amerikanische Freundschaft'
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                                           'title'  'Osten währt am längsten'
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                                      'lastfmtags'  "['german', 'ebm', '80s', 'industrial', 'electronic']"
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                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  '19'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness;eid-ebm or industrial or darkwave'
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                                             'key'  '3A'
                                        'acoustid'  'a8bf90a8-04ae-480a-87cb-e934a1238a6a'
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======================== rawer (from filesystem) ========================

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'TBPM' (BPM (beats per minute))                     '100.1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-oddness', 'eid-ebm or industrial or darkwave']
'TDOR' (Original release time)                      '1980'
'TDRC' (Recording time)                             '2003-08-08'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['engineer', 'Conny Plank']])
'TIT2' (Title/songname/content description)         'Osten währt am längsten'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Deutsch Amerikanische Freundschaft'
'TPE2' (Band/orchestra/accompaniment)               'Deutsch Amerikanische Freundschaft'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/19'
'TSO2'                                              'Deutsch Amerikanische Freundschaft'
'TSOP' (Performer sort order)                       'Deutsch Amerikanische Freundschaft'
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'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
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'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
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'TXXX:lastfmtags'                                   ['german', 'ebm', '80s', 'industrial', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
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'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
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'TXXX:replaygain_track_peak'                        '1.002402'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f540cde2-fb74-4aa1-bbe0-4518f02be3dc')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00poprockelectronic/Der Plan/Der Plan_/Die Kleinen und die Bose/der Plan - die kleinen und die bose - 01 - osten wahrt am langsten.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  345
                                           'genre'  electronic-experimental-oddness;eid-ebm or industrial or darkwave
                                        'filesize'  8304829
                                           'mtime'  1620296942
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Der Plan Der Plan_ Bose der Plan kleinen bose 01 osten wahrt langsten electronic experimental oddness;eid ebm or industrial or darkwave
                                      'tag_artist'  Deutsch Amerikanische Freundschaft
                                     'tag_release'  Die Kleinen und die Bösen
                                       'tag_title'  Osten währt am längsten
                                             'bpm'  100.1
                                    'search_title'  'am':4 'langsten':5,6 'osten':1 'wahrt':2,3
                                   'search_artist'  'amerikanische':2 'deutsch':1 'freundschaft':3
                                  'search_release'  'bosen':4,5 'die':1 'kleinen':2 'und':3
                                     'search_rest'  '00poprockelectronic':1 'bose':5 'darkwave':19 'der':2 'ebm':16 'eid':13,15 'electronic':10 'experimental':11 'industrial':18 'kleinen':6 'langsten':9 'oddness':12,14 'or':17 'osten':7 'plan':3,4 'wahrt':8
                                    'search_combo'  '00poprockelectronic':15 'am':4A 'amerikanische':8B 'bose':19 'bosen':13C,14C 'darkwave':33 'der':16 'deutsch':7B 'die':10C 'ebm':30 'eid':27,29 'electronic':24 'experimental':25 'freundschaft':9B 'industrial':32 'kleinen':11C,20 'langsten':5A,6A,23 'oddness':26,28 'or':31 'osten':1A,21 'plan':17,18 'und':12C 'wahrt':2A,3A,22
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', '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-2', 'q-other-2', 'Q-HAP-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['german', 'ebm', '80s', 'industrial', 'electronic']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620296941.9575899  (2021-05-06 12:29:01)
                             'size'  8304829