======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '68'
                                          'artist'  'Take Six'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'So much to say'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-3', 'q-busy-1', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['gospel', 'jazz', 'a capella', 'soul', 'a cappella']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-a capella'
                                             'bpm'  '136.092'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '136.092'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-a capella'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'So much to say'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Take Six'
'TXXX:Mp3gain_minmax'                               '141,193'
'TXXX:Mp3gain_undo'                                 '+001,+001,N'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['gospel', 'jazz', 'a capella', 'soul', 'a cappella']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '1'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.28 dB'
'TXXX:replaygain_track_peak'                        '0.626953'

========================== row from database ==========================
                                              'id'  1288105
                                            'path'  /data/Music/Bulk/00poprockelectronic/Take 6/Take Six - So much to say.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  68
                                           'genre'  ifs-songwriter-a capella
                                        'filesize'  1104951
                                           'mtime'  1638554938
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 6 ifs songwriter capella
                                      'tag_artist'  Take Six
                                     'tag_release'  None
                                       'tag_title'  So much to say
                                             'bpm'  136.092
                                    'search_title'  'much':2 'say':4 'so':1 'to':3
                                   'search_artist'  'six':2 'take':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '6':2 'capella':5 'ifs':3 'songwriter':4
                                    'search_combo'  '00poprockelectronic':7 '6':8 'capella':11 'ifs':9 'much':2A 'say':4A 'six':6B 'so':1A 'songwriter':10 'take':5B 'to':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-1', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['gospel', 'jazz', 'a capella', 'soul', 'a cappella']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638554938.0987647  (2021-12-03 19:08:58)
                             'size'  1104951