======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '173'
                                          'artist'  'Carla Thomas'
                                     'text_people'  ''
                                         'release'  'Soul Decade (Disc 1)'
                                           'title'  'B-A-B-Y'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soul', 'female vocalists', 'stax', '60s', 'southern soul']"
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '113.453'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Soul Decade (Disc 1)'
'TBPM' (BPM (beats per minute))                     '113.453'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TIT2' (Title/songname/content description)         'B-A-B-Y'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Carla Thomas'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'funk / soul'
'TXXX:lastfmtags'                                   ['soul', 'female vocalists', 'stax', '60s', 'southern soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.06 dB'
'TXXX:replaygain_track_peak'                        '0.388741'

========================== row from database ==========================
                                              'id'  1307752
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Carla Thomas__Soul Decade (Disc 1)__cifs1e58.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  173
                                           'genre'  funk or soul
                                        'filesize'  4175979
                                           'mtime'  1628357951
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Thomas__Soul 1)__cifs1e58 funk or soul
                                      'tag_artist'  Carla Thomas
                                     'tag_release'  Soul Decade (Disc 1)
                                       'tag_title'  B-A-B-Y
                                             'bpm'  113.453
                                    'search_title'  'a':2 'b':1,3 'baby':5 'y':4
                                   'search_artist'  'carla':1 'thomas':2
                                  'search_release'  '1':5,6 'decade':2 'disc':3,4 'soul':1
                                     'search_rest'  '00poprockelectronic':1 '1':9,11 'cifs1e58':10,12 'files':5,6 'funk':13 'loose':3,4 'or':14 'soul':8,15 'thomas':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':14 '1':12C,13C,22,24 'a':2A 'b':1A,3A 'baby':5A 'carla':6B 'cifs1e58':23,25 'decade':9C 'disc':10C,11C 'files':18,19 'funk':26 'loose':16,17 'or':27 'soul':8C,21,28 'thomas':7B,20 'unsorted':15 'y':4A
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'female vocalists', 'stax', '60s', 'southern soul']
                                        'tag_date'  
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1628357951.1944  (2021-08-07 19:39:11)
                             'size'  4175979