======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '447'
                                          'artist'  'Tim Minchin'
                                     'text_people'  ''
                                         'release'  'Live at The O2'
                                           'title'  'Prejudice'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'Q-PIANO-3', 'q-chart-2', 'q-drums-3', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['piano comedy', 'australian', 'comedy', 'piano', 'i want him to have my "
 "babies']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted'
                                             'bpm'  '145.267'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000000 00000210 00000A38'
'TALB' (Album/Movie/Show title)                     'Live at The O2'
'TBPM' (BPM (beats per minute))                     '145.267'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-unsorted'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Prejudice'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tim Minchin'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['piano comedy',
 'australian',
 'comedy',
 'piano',
 'i want him to have my babies']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.81 dB'
'TXXX:replaygain_track_peak'                        '0.551970'

========================== row from database ==========================
                                              'id'  1289105
                                            'path'  /data/Music/Bulk/00spent/Tim Minchin/Tim Minchin & His Orchestra - Live at The O2/2-01 Prejudice.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  447
                                           'genre'  entertaining-unsorted
                                        'filesize'  7156453
                                           'mtime'  1620647347
                                   'redo_metaread'  0
                                        'rest_str'   00spent & His Orchestra 01 entertaining unsorted
                                      'tag_artist'  Tim Minchin
                                     'tag_release'  Live at The O2
                                       'tag_title'  Prejudice
                                             'bpm'  145.267
                                    'search_title'  'prejudice':1
                                   'search_artist'  'minchin':2 'tim':1
                                  'search_release'  'at':2 'live':1 'o2':4 'the':3
                                     'search_rest'  '00spent':1 'entertaining':4 'his':2 'orchestra':3 'unsorted':5
                                    'search_combo'  '00spent':8 'at':5C 'entertaining':11 'his':9 'live':4C 'minchin':3B 'o2':7C 'orchestra':10 'prejudice':1A 'the':6C 'tim':2B 'unsorted':12
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['piano comedy', 'australian', 'comedy', 'piano', 'i want him to have my babies']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620647347.3959203  (2021-05-10 13:49:07)
                             'size'  7156453