======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '187'
                                          'artist'  'The Meters'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Cissy Strut'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['fip', 'soul', '70s', 'new orleans', 'groove', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '26'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '87.407'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000002E1 0000096B 00003F84'
'COMM:iTunNORM:eng'                                 (' 000002E1 0000096B 00003F84 0000DF54 0002861F 0000DD1F 00006338 00007810 '
 '000166C6 0000FC58')
'COMM:iTunes_CDDB_IDs:eng'                          '26+84DDBE0C7B3074D0446AAE5F577BB88A+1306'
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '87.407'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1995'
'TENC' (Encoded by)                                 'iTunes v4.6'
'TIT2' (Title/songname/content description)         'Cissy Strut'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Meters'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '1/26'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['fip', 'soul', '70s', 'new orleans', 'groove', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.57 dB'
'TXXX:replaygain_track_peak'                        '0.552024'

========================== row from database ==========================
                                              'id'  949139
                                            'path'  /data/Music/Bulk/sns/The Meters - Cissy Strut.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  187
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3743474
                                           'mtime'  1620357110
                                   'redo_metaread'  0
                                        'rest_str'   sns set pl shirleyspinoza;set pl mor
                                      'tag_artist'  The Meters
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Cissy Strut
                                             'bpm'  87.407
                                    'search_title'  'cissy':1 'strut':2
                                   'search_artist'  'meters':2 'the':1
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'mor':8 'pl':3 'set':2,5,7 'shirleyspinoza':4,6 'sns':1
                                    'search_combo'  'cissy':1A 'meters':4B 'mor':14 'pl':9 'set':8,11,13 'shirley':5C 'shirleyspinoza':10,12 'sns':7 'spinoza':6C 'strut':2A 'the':3B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['fip', 'soul', '70s', 'new orleans', 'groove', 'funk']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620357110.3704724  (2021-05-07 05:11:50)
                             'size'  3743474