======================== unified (from filesystem) ========================
                                         'bitrate'  '234.013'
                                        'duration'  '303'
                                          'artist'  'Múm'
                                     'text_people'  ''
                                         'release'  'Go Go Smear The Poison Ivy'
                                           'title'  'Marmalade Fires'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['post rock', 'icelandic', 'electronic', 'chillout', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '99.812'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '12+8C418AB6A69B9D441F10224DA'
'COMM:iTunes_CDDB_IDs:eng'                          '12+8C418AB6A69B9D441F10224DA9D9EA26+9430887'
'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)                     'Go Go Smear The Poison Ivy'
'TBPM' (BPM (beats per minute))                     '99.812'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'iTunes v7.2.0.35'
'TIT2' (Title/songname/content description)         'Marmalade Fires'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Mzm'
'TPE2' (Band/orchestra/accompaniment)               'Múm'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['post rock', 'icelandic', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.48 dB'
'TXXX:replaygain_track_peak'                        '0.788629'

========================== row from database ==========================
                                              'id'  1311562
                                            'path'  /data/Music/Bulk/00poprockelectronic/Mum/Go Go Smear The Poison Ivy/[06] mum - marmalade fires.mp3
                                         'working'  None
                                         'bitrate'  234
                                    'duration_sec'  303
                                           'genre'  electronic
                                        'filesize'  8878968
                                           'mtime'  1636914227
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Mum [06] mum marmalade fires electronic
                                      'tag_artist'  Múm
                                     'tag_release'  Go Go Smear The Poison Ivy
                                       'tag_title'  Marmalade Fires
                                             'bpm'  99.812
                                    'search_title'  'fires':2 'marmalade':1
                                   'search_artist'  'mum':1,2
                                  'search_release'  'go':1 'ivy':5 'poison':4 'smear':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '06':3,4 'electronic':7 'fires':6 'marmalade':5 'mum':2
                                    'search_combo'  '00poprockelectronic':10 '06':12,13 'electronic':16 'fires':2A,15 'go':5C 'ivy':9C 'marmalade':1A,14 'mum':3B,4B,11 'poison':8C 'smear':6C 'the':7C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['post rock', 'icelandic', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636914226.7876632  (2021-11-14 19:23:46)
                             'size'  8878968