======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '72'
                                          'artist'  'Tom Lehrer'
                                     'text_people'  ''
                                         'release'  'The Remains of Tom Lehrer (dis'
                                           'title'  'O-U (The Hound Song)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-2', 'Q-PLAY-2', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['humor', 'piano', 'comedy', 'satire', 'funny']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'entertaining-comedians'
                                             'bpm'  '84.140'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Remains of Tom Lehrer (dis'
'TBPM' (BPM (beats per minute))                     '84.140'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-comedians'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'O-U (The Hound Song)'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Lehrer'
'TRCK' (Track number/Position in set)               '21'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['humor', 'piano', 'comedy', 'satire', 'funny']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.61 dB'
'TXXX:replaygain_track_peak'                        '0.821875'

========================== row from database ==========================
                                              'id'  1294083
                                            'path'  /data/Music/Bulk/00spent/Tom Lehrer/2000 - The Remains Of Tom Lehrer/cifs6f48.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  72
                                           'genre'  entertaining-comedians
                                        'filesize'  1167455
                                           'mtime'  1620647366
                                   'redo_metaread'  0
                                        'rest_str'   00spent 2000 Of cifs6f48 entertaining comedians
                                      'tag_artist'  Tom Lehrer
                                     'tag_release'  The Remains of Tom Lehrer (dis
                                       'tag_title'  O-U (The Hound Song)
                                             'bpm'  84.14
                                    'search_title'  'hound':6 'o':1 'ou':3 'song':7,8 'the':4,5 'u':2
                                   'search_artist'  'lehrer':2 'tom':1
                                  'search_release'  'dis':6,7 'lehrer':5 'of':3 'remains':2 'the':1 'tom':4
                                     'search_rest'  '00spent':1 '2000':2 'cifs6f48':4 'comedians':6 'entertaining':5 'of':3
                                    'search_combo'  '00spent':18 '2000':19 'cifs6f48':21 'comedians':23 'dis':16C,17C 'entertaining':22 'hound':6A 'lehrer':10B,15C 'o':1A 'of':13C,20 'ou':3A 'remains':12C 'song':7A,8A 'the':4A,5A,11C 'tom':9B,14C 'u':2A
                                    'tag_tracknum'  21
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['humor', 'piano', 'comedy', 'satire', 'funny']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620647365.5444818  (2021-05-10 13:49:25)
                             'size'  1167455