======================== unified (from filesystem) ========================
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                                        'duration'  '280'
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                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  '9'
                                            'date'  '2007'
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rest: ''

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

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'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2007-04-23'
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'TIT2' (Title/songname/content description)         'Lazy Eyes'
'TKEY' (Initial key)                                '2A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               '120 Days'
'TPE2' (Band/orchestra/accompaniment)               '120 Days'
'TPUB' (Publisher)                                  'Smalltown Supersound'
'TRCK' (Track number/Position in set)               '7/9'
'TSO2'                                              '120 Days'
'TSOP' (Performer sort order)                       '120 Days'
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'TXXX:Artists'                                      '120 Days'
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========================== row from database ==========================
                                              'id'  453038
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/120 Days/[2006] 120 Days/07 Lazy Eyes.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  280
                                           'genre'  rock-cppex-psychedelic-space;set-pl-sced;set-pl-progspace
                                        'filesize'  6789699
                                           'mtime'  1620736051
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [2006] 07 rock cppex psychedelic space;set pl sced;set pl progspace
                                      'tag_artist'  120 Days
                                     'tag_release'  120 Days
                                       'tag_title'  Lazy Eyes
                                             'bpm'  142.2
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                                   'search_artist'  '120':1 'days':2
                                  'search_release'  '120':1 'days':2
                                     'search_rest'  '2006':1,2 'cppex':4 'pl':10 'progspace':15 'psychedelic':5 'rock':3 'sced':11,13 'set':7,9,12,14 'space':6,8
                                    'search_combo'  '120':3B,5C '2006':7,8 'cppex':10 'days':4B,6C 'eyes':2A 'lazy':1A 'pl':16 'progspace':21 'psychedelic':11 'rock':9 'sced':17,19 'set':13,15,18,20 'space':12,14
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'norwegian', 'alternative', 'space rock', 'electronic']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620736050.8199728  (2021-05-11 14:27:30)
                             'size'  6789699