======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '235'
                                          'artist'  'Enya'
                                     'text_people'  ''
                                         'release'  'Shepherd Moons'
                                           'title'  'Marble Halls'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-2', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['new age', 'celtic', 'female vocalists', 'irish', 'ambient']"
                                     'discogstags'  "['electronic', 'modern classical', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-pop'
                                             'bpm'  '95.124'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shepherd Moons'
'TBPM' (BPM (beats per minute))                     '95.124'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-pop'
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         'Marble Halls'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Enya'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'modern classical', 'ambient']
'TXXX:lastfmtags'                                   ['new age', 'celtic', 'female vocalists', 'irish', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.05 dB'
'TXXX:replaygain_track_peak'                        '0.561210'

========================== row from database ==========================
                                              'id'  1315734
                                            'path'  /data/Music/Bulk/00poprockelectronic/Enya/Enya - Shepherd Moons/10_Enya-Marble Halls.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  235
                                           'genre'  ifs-songwriter-pop
                                        'filesize'  3761722
                                           'mtime'  1622762347
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 10_Enya ifs songwriter pop
                                      'tag_artist'  Enya
                                     'tag_release'  Shepherd Moons
                                       'tag_title'  Marble Halls
                                             'bpm'  95.124
                                    'search_title'  'halls':2 'marble':1
                                   'search_artist'  'enya':1
                                  'search_release'  'moons':2 'shepherd':1
                                     'search_rest'  '00poprockelectronic':1 '10':2 'enya':3 'ifs':4 'pop':6 'songwriter':5
                                    'search_combo'  '00poprockelectronic':6 '10':7 'enya':3B,8 'halls':2A 'ifs':9 'marble':1A 'moons':5C 'pop':11 'shepherd':4C 'songwriter':10
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['new age', 'celtic', 'female vocalists', 'irish', 'ambient']
                                        'tag_date'  1991
                                     'discogstags'  ['electronic', 'modern classical', 'ambient']

============================== file details ==============================
                                           'mtime'  1622762346.882093  (2021-06-04 01:19:06)
                             'size'  3761722