======================== unified (from filesystem) ========================
                                         'bitrate'  '207.074'
                                        'duration'  '360'
                                          'artist'  'Lycia'
                                     'text_people'  ''
                                         'release'  'Bleak - Vane'
                                           'title'  'Forever and Ever'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dark ambient', 'ambient', 'gothic', 'ethereal', 'darkwave']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'eid-goth or gothrock-gothrock;set-pl-billboard'
                                             'bpm'  '99.567'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 0000050F 000003F2 00002951 00'
'COMM:iTunNORM:eng'                                 (' 0000050F 000003F2 00002951 000021EA 0000E4D7 0003F725 00008000 00008000 '
 '00004605 0000AEC8')
'PRIV:AverageLevel:3\x1c\x00\x00'                   PRIV(owner='AverageLevel', data=b'3\x1c\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'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)                     'Bleak - Vane'
'TBPM' (BPM (beats per minute))                     '99.567'
'TCON' (Content type, a.k.a. Genre)                 ['eid-goth or gothrock-gothrock', 'set-pl-billboard']
'TIT2' (Title/songname/content description)         'Forever and Ever'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lycia'
'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'                                   ['dark ambient', 'ambient', 'gothic', 'ethereal', 'darkwave']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.77 dB'
'TXXX:replaygain_track_peak'                        '0.468872'

========================== row from database ==========================
                                              'id'  1303670
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/lycia - forever and ever.mp3
                                         'working'  None
                                         'bitrate'  207
                                    'duration_sec'  360
                                           'genre'  eid-goth or gothrock-gothrock;set-pl-billboard
                                        'filesize'  9341402
                                           'mtime'  1620301292
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] lycia forever eid goth gothrock gothrock;set pl billboard
                                      'tag_artist'  Lycia
                                     'tag_release'  Bleak - Vane
                                       'tag_title'  Forever and Ever
                                             'bpm'  99.567
                                    'search_title'  'and':2 'ever':3 'forever':1
                                   'search_artist'  'lycia':1
                                  'search_release'  'bleak':1 'vane':2
                                     'search_rest'  '00poprockelectronic':1 'billboard':17 'eid':9 'files':5,6 'forever':8 'goth':10 'gothrock':11,12,14 'loose':3,4 'lycia':7 'pl':16 'set':13,15 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 'and':2A 'billboard':23 'bleak':5C 'eid':15 'ever':3A 'files':11,12 'forever':1A,14 'goth':16 'gothrock':17,18,20 'loose':9,10 'lycia':4B,13 'pl':22 'set':19,21 'unsorted':8 'vane':6C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'ambient', 'gothic', 'ethereal', 'darkwave']
                                        'tag_date'  
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301292.1973093  (2021-05-06 13:41:32)
                             'size'  9341402