======================== unified (from filesystem) ========================
                                         'bitrate'  '232.522'
                                        'duration'  '176'
                                          'artist'  'The Civil Wars'
                                     'text_people'  ''
                                         'release'  'Barton Hollow'
                                           'title'  'Forget Me Not'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
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                                      'lastfmtags'  "['loved', 'indie', 'indie folk', 'acoustic', 'folk', 'singer songwriter']"
                                     'discogstags'  "['folk, world, & country', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie;ifs-songwriter-folk'
                                             'bpm'  '132.357'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Barton Hollow'
'TBPM' (BPM (beats per minute))                     '132.357'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie', 'ifs-songwriter-folk']
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Forget Me Not'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Civil Wars'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['folk, world, & country', 'folk']
'TXXX:lastfmtags'                                   ['loved', 'indie', 'indie folk', 'acoustic', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.51 dB'
'TXXX:replaygain_track_peak'                        '0.449763'

========================== row from database ==========================
                                              'id'  1263879
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Civil Wars - The  Civil Wars -  Barton Hollow (2011)/11 - Forget Me Not.mp3
                                         'working'  None
                                         'bitrate'  232
                                    'duration_sec'  176
                                           'genre'  ifs-songwriter-indie;ifs-songwriter-folk
                                        'filesize'  5140524
                                           'mtime'  1637330514
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos (2011) 11 ifs songwriter indie;ifs songwriter folk
                                      'tag_artist'  The Civil Wars
                                     'tag_release'  Barton Hollow
                                       'tag_title'  Forget Me Not
                                             'bpm'  132.357
                                    'search_title'  'forget':1 'me':2 'not':3
                                   'search_artist'  'civil':2 'the':1 'wars':3
                                  'search_release'  'barton':1 'hollow':2
                                     'search_rest'  '00singer':1 '2011':4,5 'eos':3 'folk':11 'ifs':6,8,10 'indie':7,9 'songwriter':2
                                    'search_combo'  '00singer':9 '2011':12,13 'barton':7C 'civil':5B 'eos':11 'folk':19 'forget':1A 'hollow':8C 'ifs':14,16,18 'indie':15,17 'me':2A 'not':3A 'songwriter':10 'the':4B 'wars':6B
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['loved', 'indie', 'indie folk', 'acoustic', 'folk', 'singer songwriter']
                                        'tag_date'  2011
                                     'discogstags'  ['folk, world, & country', 'folk']

============================== file details ==============================
                                           'mtime'  1637330514.2240996  (2021-11-19 15:01:54)
                             'size'  5140524