======================== unified (from filesystem) ========================
                                         'bitrate'  '266.453'
                                        'duration'  '674'
                                          'artist'  'Type O Negative'
                                     'text_people'  ''
                                         'release'  'Bloody Kisses'
                                           'title'  'Black No.1 (Little Miss Scare-All)'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metal', 'gothic', 'doom metal', 'gothic rock', 'gothic metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'eid-metal-doom or gothic'
                                             'bpm'  '108.471'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 0000099D 00000A8F 000052C2'
'COMM:iTunNORM:eng'                                 (' 0000099D 00000A8F 000052C2 00003C0E 0006A86C 0006A86C 00008000 00008000 '
 '0006A86C 00088773')
'TALB' (Album/Movie/Show title)                     'Bloody Kisses'
'TBPM' (BPM (beats per minute))                     '108.471'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-doom or gothic'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Black No.1 (Little Miss Scare-All)'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Type O Negative'
'TRCK' (Track number/Position in set)               '3'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 (beta)'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['metal', 'gothic', 'doom metal', 'gothic rock', 'gothic metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'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'                        '+0.16 dB'
'TXXX:replaygain_track_peak'                        '0.624267'

========================== row from database ==========================
                                              'id'  286528
                                            'path'  /data/Music/Bulk/00dwimp/Type O Negative/Type O Negative - Bloody Kisses/03. Type O Negative - Black No.1 (Little Miss Scare-All).mp3
                                         'working'  None
                                         'bitrate'  266
                                    'duration_sec'  674
                                           'genre'  eid-metal-doom or gothic
                                        'filesize'  22480189
                                           'mtime'  1620310405
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 03. eid metal doom or gothic
                                      'tag_artist'  Type O Negative
                                     'tag_release'  Bloody Kisses
                                       'tag_title'  Black No.1 (Little Miss Scare-All)
                                             'bpm'  108.471
                                    'search_title'  '1':3 'all':9 'black':1 'little':5,6 'miss':7 'no':2 'no1':4 'scare':8 'scareall':10
                                   'search_artist'  'negative':3 'o':2 'type':1
                                  'search_release'  'bloody':1 'kisses':2
                                     'search_rest'  '00dwimp':1 '03':2,3 'doom':6 'eid':4 'gothic':8 'metal':5 'or':7
                                    'search_combo'  '00dwimp':16 '03':17,18 '1':3A 'all':9A 'black':1A 'bloody':14C 'doom':21 'eid':19 'gothic':23 'kisses':15C 'little':5A,6A 'metal':20 'miss':7A 'negative':13B 'no':2A 'no1':4A 'o':12B 'or':22 'scare':8A 'scareall':10A 'type':11B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['metal', 'gothic', 'doom metal', 'gothic rock', 'gothic metal']
                                        'tag_date'  1993
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620310405.4534996  (2021-05-06 16:13:25)
                             'size'  22480189