======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '301'
                                          'artist'  'Chieftains'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Lament For Limerick'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-2', "
 "'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', "
 "'q-other-4', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['celtic', 'folk', 'irish', 'irish folk', 'celtic folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'ifs-unsorted'
                                             'bpm'  '140.433'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '140.433'
'TCON' (Content type, a.k.a. Genre)                 'ifs-unsorted'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'The Lament For Limerick'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Chieftains'
'TPE2' (Band/orchestra/accompaniment)               'Chieftains'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['celtic', 'folk', 'irish', 'irish folk', 'celtic folk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+10.97 dB'
'TXXX:replaygain_track_peak'                        '0.128249'

========================== row from database ==========================
                                              'id'  1491839
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/Chieftains - The Lament For Limerick [].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  301
                                           'genre'  ifs-unsorted
                                        'filesize'  7243956
                                           'mtime'  1620592407
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch [] ifs unsorted
                                      'tag_artist'  Chieftains
                                     'tag_release'  None
                                       'tag_title'  The Lament For Limerick
                                             'bpm'  140.433
                                    'search_title'  'for':3 'lament':2 'limerick':4 'the':1
                                   'search_artist'  'chieftains':1
                                  'search_release'  
                                     'search_rest'  '00dutch':4 '00mid':1 'europe':3 'ifs':5 'north':2 'unsorted':6
                                    'search_combo'  '00dutch':9 '00mid':6 'chieftains':5B 'europe':8 'for':3A 'ifs':10 'lament':2A 'limerick':4A 'north':7 'the':1A 'unsorted':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', '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-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['celtic', 'folk', 'irish', 'irish folk', 'celtic folk']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620592406.820872  (2021-05-09 22:33:26)
                             'size'  7243956