======================== unified (from filesystem) ========================
                                         'bitrate'  '231.82'
                                        'duration'  '242'
                                          'artist'  'Deadstar Assembly'
                                     'text_people'  ''
                                         'release'  'Unsaved'
                                           'title'  'Death Wish'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  ("['industrial metal', 'industrial', 'metal', 'gothic', 'industrial rock', "
 "'electronic']")
                                     'discogstags'  "['industrial', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-industrial'
                                             'bpm'  '116.053'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ['Lbl:a LabeL  C:AL 0013.2',
 ' 000013E9 000014EB 00004259 0000438F 0000E5F3 00030772 00008000 00008000 '
 '00007304 000158B3']
'COMM:ID3v1 Comment:XXX'                            'Lbl:a LabeL  C:AL 0013.2'
'COMM:ID3v1 Comment:eng'                            'Lbl:a LabeL  C:AL 0013.2'
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Unsaved'
'TBPM' (BPM (beats per minute))                     '116.053'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-industrial'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'Lame 3.90.3 Mod'
'TIT2' (Title/songname/content description)         'Death Wish'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Deadstar Assembly'
'TRCK' (Track number/Position in set)               '14'
'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'                                  ['industrial', 'rock']
'TXXX:lastfmtags'                                   ['industrial metal',
 'industrial',
 'metal',
 'gothic',
 'industrial rock',
 'electronic']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.96 dB'
'TXXX:replaygain_track_peak'                        '0.461905'

========================== row from database ==========================
                                              'id'  1354714
                                            'path'  /data/Music/Bulk/00poprockelectronic/Deadstar Assembly/Unsaved/14 Death Wish.mp3
                                         'working'  None
                                         'bitrate'  231
                                    'duration_sec'  242
                                           'genre'  eid-ebm or industrial or darkwave-industrial
                                        'filesize'  7032201
                                           'mtime'  1620298513
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 14 eid ebm or industrial or darkwave industrial
                                      'tag_artist'  Deadstar Assembly
                                     'tag_release'  Unsaved
                                       'tag_title'  Death Wish
                                             'bpm'  116.053
                                    'search_title'  'death':1 'wish':2
                                   'search_artist'  'assembly':2 'deadstar':1
                                  'search_release'  'unsaved':1
                                     'search_rest'  '00poprockelectronic':1 'darkwave':6 'ebm':3 'eid':2 'industrial':5 'or':4
                                    'search_combo'  '00poprockelectronic':6 'assembly':4B 'darkwave':11 'deadstar':3B 'death':1A 'ebm':8 'eid':7 'industrial':10 'or':9 'unsaved':5C 'wish':2A
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['industrial metal', 'industrial', 'metal', 'gothic', 'industrial rock', 'electronic']
                                        'tag_date'  2006
                                     'discogstags'  ['industrial', 'rock']

============================== file details ==============================
                                           'mtime'  1620298512.7481174  (2021-05-06 12:55:12)
                             'size'  7032201