======================== unified (from filesystem) ========================
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'TDOR' (Original release time)                      '2013'
'TDRC' (Recording time)                             '2013-02-11'
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'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'Digital Media'
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'TPE2' (Band/orchestra/accompaniment)               'Papir'
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'TSOP' (Performer sort order)                       'Papir'
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========================== row from database ==========================
                                              'id'  1409794
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Moderat - III/01 III.I.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  445
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  13242632
                                           'mtime'  1620736567
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Moderat 01 rock cppex psychedelic
                                      'tag_artist'  Papir
                                     'tag_release'  III
                                       'tag_title'  III.I
                                             'bpm'  113.8
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                                   'search_artist'  'papir':1
                                  'search_release'  'iii':1
                                     'search_rest'  'classicprogpsy':1 'cppex':4 'moderat':2 'psychedelic':5 'rock':3
                                    'search_combo'  'classicprogpsy':6 'cppex':9 'i':2A 'iii':1A,5C 'iiii':3A 'moderat':7 'papir':4B 'psychedelic':10 'rock':8
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', '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'  ['krautrock', 'progressive rock', 'psychedelic rock', 'psychedelic', 'neokraut']
                                        'tag_date'  2013
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736567.3033378  (2021-05-11 14:36:07)
                             'size'  13242632