======================== unified (from filesystem) ========================
                                         'bitrate'  '201.449'
                                        'duration'  '182'
                                          'artist'  'The Levellers'
                                     'text_people'  ''
                                         'release'  'One Way Of Life'
                                           'title'  'Belaruse (New Mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk rock', 'folk', 'rock', 'alternative', 'indie']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'ifs-folk-rock'
                                             'bpm'  '143.0'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'One Way Of Life'
'TBPM' (BPM (beats per minute))                     '143.0'
'TCON' (Content type, a.k.a. Genre)                 'ifs-folk-rock'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Belaruse (New Mix)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Levellers'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['folk rock', 'folk', 'rock', 'alternative', 'indie']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.44 dB'
'TXXX:replaygain_track_peak'                        '0.615533'

========================== row from database ==========================
                                              'id'  1271713
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Levellers - Levellers/One Way Of Life/06 - The Levellers - Belaruse (New Mix).mp3
                                         'working'  None
                                         'bitrate'  201
                                    'duration_sec'  182
                                           'genre'  ifs-folk-rock
                                        'filesize'  4597592
                                           'mtime'  1636914034
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 06 ifs folk rock
                                      'tag_artist'  The Levellers
                                     'tag_release'  One Way Of Life
                                       'tag_title'  Belaruse (New Mix)
                                             'bpm'  143.0
                                    'search_title'  'belaruse':1 'mix':4,5 'new':2,3
                                   'search_artist'  'levellers':2 'the':1
                                  'search_release'  'life':4 'of':3 'one':1 'way':2
                                     'search_rest'  '00singer':1 'eos':3 'folk':5 'ifs':4 'rock':6 'songwriter':2
                                    'search_combo'  '00singer':12 'belaruse':1A 'eos':14 'folk':16 'ifs':15 'levellers':7B 'life':11C 'mix':4A,5A 'new':2A,3A 'of':10C 'one':8C 'rock':17 'songwriter':13 'the':6B 'way':9C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['folk rock', 'folk', 'rock', 'alternative', 'indie']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636914034.423075  (2021-11-14 19:20:34)
                             'size'  4597592