======================== unified (from filesystem) ========================
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                                        'duration'  '96'
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                                     'text_people'  'Madlib'
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                                           'title'  'Heritage Sip'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '18'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '95.845'
                                             'key'  '6A'
                                        'acoustid'  'd437ea00-9ed1-45b3-8e37-b9943623fe3b'
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '95.845'
'TCOM' (Composer)                                   'Madlib'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDOR' (Original release time)                      '2010'
'TDRC' (Recording time)                             '2010-03-23'
'TENC' (Encoded by)                                 'dBpoweramp Release 13.2'
'TIT2' (Title/songname/content description)         'Heritage Sip'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Madlib'
'TPE2' (Band/orchestra/accompaniment)               'Madlib'
'TPOS' (Part of a set)                              '1/3'
'TPUB' (Publisher)                                  'Madlib Invazion'
'TRCK' (Track number/Position in set)               '18/18'
'TSO2'                                              'Madlib'
'TSOP' (Performer sort order)                       'Madlib'
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'TXXX:replaygain_track_gain'                        '-1.09 dB'
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========================== row from database ==========================
                                              'id'  922976
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/(2010) medicine show no. 3 - beat konducta in africa/18 - madlib - heritage sip.mp3
                                         'working'  None
                                         'bitrate'  231
                                    'duration_sec'  96
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  2947847
                                           'mtime'  1620526858
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa (2010) medicine show no. beat konducta africa 18 madlib heritage sip hip hop or rnb or rap or turntablism
                                      'tag_artist'  Madlib
                                     'tag_release'  Medicine Show No. 3: Beat Konducta in Africa
                                       'tag_title'  Heritage Sip
                                             'bpm'  95.845
                                    'search_title'  'heritage':1 'sip':2
                                   'search_artist'  'madlib':1
                                  'search_release'  '3':5,6 'africa':10 'beat':7 'in':9 'konducta':8 'medicine':1 'no':3,4 'show':2
                                     'search_rest'  '00africa':1 '18':11 '2010':2,3 'africa':10 'beat':8 'heritage':13 'hip':15 'hop':16 'konducta':9 'madlib':12 'medicine':4 'no':6,7 'or':17 'rap':19 'rnb':18 'show':5 'sip':14 'turntablism':20
                                    'search_combo'  '00africa':14 '18':24 '2010':15,16 '3':8C,9C 'africa':13C,23 'beat':10C,21 'heritage':1A,26 'hip':28 'hop':29 'in':12C 'konducta':11C,22 'madlib':3B,25 'medicine':4C,17 'no':6C,7C,19,20 'or':30 'rap':32 'rnb':31 'show':5C,18 'sip':2A,27 'turntablism':33
                                    'tag_tracknum'  18
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'hip hop', 'funk', 'rap']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526858.469537  (2021-05-09 04:20:58)
                             'size'  2947847