======================== unified (from filesystem) ========================
                                         'bitrate'  '270.05'
                                        'duration'  '63'
                                          'artist'  'Type O Negative'
                                     'text_people'  ''
                                         'release'  'Bloody Kisses'
                                           'title'  'Fay Wray Come Out and Play'
                                           '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'  '4'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'eid-metal-doom or gothic'
                                             'bpm'  '145.895'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000397 00000561 00000C21'
'COMM:iTunNORM:eng'                                 (' 00000397 00000561 00000C21 0000193E 0000DFA3 00004915 00004A18 00006EC4 '
 '00006218 00004915')
'TALB' (Album/Movie/Show title)                     'Bloody Kisses'
'TBPM' (BPM (beats per minute))                     '145.895'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-doom or gothic'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Fay Wray Come Out and Play'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Type O Negative'
'TRCK' (Track number/Position in set)               '4'
'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'                        '+0.02 dB'
'TXXX:replaygain_track_peak'                        '0.727955'

========================== row from database ==========================
                                              'id'  349322
                                            'path'  /data/Music/Bulk/00dwimp/Type O Negative/Type O Negative - Bloody Kisses/04. Type O Negative - Fay Wray Come Out and Play.mp3
                                         'working'  None
                                         'bitrate'  270
                                    'duration_sec'  63
                                           'genre'  eid-metal-doom or gothic
                                        'filesize'  2151372
                                           'mtime'  1620310410
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 04. eid metal doom or gothic
                                      'tag_artist'  Type O Negative
                                     'tag_release'  Bloody Kisses
                                       'tag_title'  Fay Wray Come Out and Play
                                             'bpm'  145.895
                                    'search_title'  'and':5 'come':3 'fay':1 'out':4 'play':6 'wray':2
                                   'search_artist'  'negative':3 'o':2 'type':1
                                  'search_release'  'bloody':1 'kisses':2
                                     'search_rest'  '00dwimp':1 '04':2,3 'doom':6 'eid':4 'gothic':8 'metal':5 'or':7
                                    'search_combo'  '00dwimp':12 '04':13,14 'and':5A 'bloody':10C 'come':3A 'doom':17 'eid':15 'fay':1A 'gothic':19 'kisses':11C 'metal':16 'negative':9B 'o':8B 'or':18 'out':4A 'play':6A 'type':7B 'wray':2A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10A
                                           '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'  1620310410.15735  (2021-05-06 16:13:30)
                             'size'  2151372