======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '165'
                                          'artist'  'The Georgia Browns'
                                     'text_people'  ''
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                                           'title'  'Decatur Street 81'
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                                      'lastfmtags'  "['blues', 'sic transit', 'all', 'spotify', 'rock']"
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                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '20'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '105'
                                             'key'  '9B'
                                        'acoustid'  '4ba9cf5a-4cd5-476a-968c-cd36df32929f'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TBPM' (BPM (beats per minute))                     '105'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDOR' (Original release time)                      '1993'
'TDRC' (Recording time)                             '1993'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Lawrence Cohn'], ['producer', 'Gary Pacheco']])
'TIT2' (Title/songname/content description)         'Decatur Street 81'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Georgia Browns'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Legacy'
'TRCK' (Track number/Position in set)               '3/20'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Georgia Browns'
'TXXX:ASIN'                                         'B0000028ON'
'TXXX:Acoustid Id'                                  '4ba9cf5a-4cd5-476a-968c-cd36df32929f'
'TXXX:Artists'                                      'The Georgia Browns'
'TXXX:CATALOGNUMBER'                                'CK 52725'
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'TXXX:MusicBrainz Album Id'                         '0d675ba8-3fbd-4ebb-8edf-a62abb00e927'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
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'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['blues', 'sic transit', 'all', 'spotify', 'rock']
'TXXX:originalyear'                                 '1993'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.20 dB'
'TXXX:replaygain_track_peak'                        '0.587743'
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========================== row from database ==========================
                                              'id'  1383923
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/slide guitar (1927-1965) - bottles, knives & steel/Georgia Browns - Decatur Street 81.mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  165
                                           'genre'  prerock-jb-blues
                                        'filesize'  2355032
                                           'mtime'  1620402821
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country slide guitar (1927 1965) bottles, knives steel prerock jb blues
                                      'tag_artist'  The Georgia Browns
                                     'tag_release'  The Slide Guitar: Bottles, Knives & Steel, Volume 2
                                       'tag_title'  Decatur Street 81
                                             'bpm'  105.0
                                    'search_title'  '81':3 'decatur':1 'street':2
                                   'search_artist'  'browns':3 'georgia':2 'the':1
                                  'search_release'  '2':11 'bottles':5,6 'guitar':3,4 'knives':7 'slide':2 'steel':8,9 'the':1 'volume':10
                                     'search_rest'  '1927':7,8 '1965':9,10 'blues':17 'bottles':11,12 'country':4 'exotica':2 'guitar':6 'jazz':1 'jb':16 'knives':13 'oldies':3 'prerock':15 'slide':5 'steel':14
                                    'search_combo'  '1927':24,25 '1965':26,27 '2':17C '81':3A 'blues':34 'bottles':11C,12C,28,29 'browns':6B 'country':21 'decatur':1A 'exotica':19 'georgia':5B 'guitar':9C,10C,23 'jazz':18 'jb':33 'knives':13C,30 'oldies':20 'prerock':32 'slide':8C,22 'steel':14C,15C,31 'street':2A 'the':4B,7C 'volume':16C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'sic transit', 'all', 'spotify', 'rock']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620402821.0036604  (2021-05-07 17:53:41)
                             'size'  2355032