======================== unified (from filesystem) ========================
                                         'bitrate'  '172.452'
                                        'duration'  '349'
                                          'artist'  'Alice In Chains'
                                     'text_people'  ''
                                         'release'  'Facelift'
                                           'title'  'Sea Of Sorrow'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', '90s', 'hard rock', 'grunge', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '12'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'rock-gr-hard'
                                             'bpm'  '123.106'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '800CB00C'
'COMM:ID3v1 Comment:XXX'                            '800CB00C'
'PRIV:AverageLevel:.\x16\x00\x00'                   PRIV(owner='AverageLevel', data=b'.\x16\x00\x00')
'PRIV:PeakValue:s}\x00\x00'                         PRIV(owner='PeakValue', data=b's}\x00\x00')
'TALB' (Album/Movie/Show title)                     'Facelift'
'TBPM' (BPM (beats per minute))                     '123.106'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-hard'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Sea Of Sorrow'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Alice In Chains'
'TRCK' (Track number/Position in set)               '3/12'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.92, VBR 3, Stereo, High quality'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative rock', '90s', 'hard rock', 'grunge', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.52 dB'
'TXXX:replaygain_track_peak'                        '0.490052'

========================== row from database ==========================
                                              'id'  1329062
                                            'path'  /data/Music/Bulk/00dwimp/Alice in Chains/Facelift/Alice In Chains - Sea of Sorrow.mp3
                                         'working'  None
                                         'bitrate'  172
                                    'duration_sec'  349
                                           'genre'  rock-gr-hard
                                        'filesize'  7542482
                                           'mtime'  1636902787
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp of rock gr hard
                                      'tag_artist'  Alice In Chains
                                     'tag_release'  Facelift
                                       'tag_title'  Sea Of Sorrow
                                             'bpm'  123.106
                                    'search_title'  'of':2 'sea':1 'sorrow':3
                                   'search_artist'  'alice':1 'chains':3 'in':2
                                  'search_release'  'facelift':1
                                     'search_rest'  '00dwimp':1 'gr':4 'hard':5 'of':2 'rock':3
                                    'search_combo'  '00dwimp':8 'alice':4B 'chains':6B 'facelift':7C 'gr':11 'hard':12 'in':5B 'of':2A,9 'rock':10 'sea':1A 'sorrow':3A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', '90s', 'hard rock', 'grunge', 'rock']
                                        'tag_date'  1989
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636902786.5797818  (2021-11-14 16:13:06)
                             'size'  7542482