======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '108'
                                          'artist'  'Louise Huebner'
                                     'text_people'  ''
                                         'release'  'Seduction Through Witchcraft'
                                           'title'  'The Emotional Bondage Spell'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['occult', 'avant garde', 'electronic', 'spoken word', 'experimental']"
                                     'discogstags'  "['non-music', 'electronic', 'spoken word', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '12'
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech;set-pl-mor;set-pl-shirleyspinoza'
                                             'bpm'  '141.216'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000343 0000026B 00000A1D'
'COMM:iTunNORM:eng'                                 (' 00000343 0000026B 00000A1D 00000933 0001119E 0001119E 00004025 00003BCC '
 '0001119E 0001119E')
'TALB' (Album/Movie/Show title)                     'Seduction Through Witchcraft'
'TBPM' (BPM (beats per minute))                     '141.216'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-speech', 'set-pl-mor', 'set-pl-shirleyspinoza']
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'The Emotional Bondage Spell'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Louise Huebner'
'TPE2' (Band/orchestra/accompaniment)               'Louise Huebner'
'TRCK' (Track number/Position in set)               '10/12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['non-music', 'electronic', 'spoken word', 'ambient']
'TXXX:lastfmtags'                                   ['occult', 'avant garde', 'electronic', 'spoken word', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.40 dB'
'TXXX:replaygain_track_peak'                        '0.626953'

========================== row from database ==========================
                                              'id'  1530891
                                            'path'  /data/Music/Bulk/0nonmusic/Louise Huebner_s Seduction Through Witchcraft/10 The Emotional Bondage Spell.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  108
                                           'genre'  nonmusic-speech;set-pl-mor;set-pl-shirleyspinoza
                                        'filesize'  2733189
                                           'mtime'  1647350762
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic Huebner_s 10 nonmusic speech;set pl mor;set pl shirleyspinoza
                                      'tag_artist'  Louise Huebner
                                     'tag_release'  Seduction Through Witchcraft
                                       'tag_title'  The Emotional Bondage Spell
                                             'bpm'  141.216
                                    'search_title'  'bondage':3 'emotional':2 'spell':4 'the':1
                                   'search_artist'  'huebner':2 'louise':1
                                  'search_release'  'seduction':1 'through':2 'witchcraft':3
                                     'search_rest'  '0nonmusic':1 'huebner':2 'mor':10,12 'nonmusic':4 'pl':9 's':3 'set':6,8,11,13 'shirleyspinoza':14 'speech':5,7
                                    'search_combo'  '0nonmusic':10 'bondage':3A 'emotional':2A 'huebner':6B,11 'louise':5B 'mor':19,21 'nonmusic':13 'pl':18 's':12 'seduction':7C 'set':15,17,20,22 'shirleyspinoza':23 'speech':14,16 'spell':4A 'the':1A 'through':8C 'witchcraft':9C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['occult', 'avant garde', 'electronic', 'spoken word', 'experimental']
                                        'tag_date'  1969
                                     'discogstags'  ['non-music', 'electronic', 'spoken word', 'ambient']

============================== file details ==============================
                                           'mtime'  1647350762.246297  (2022-03-15 14:26:02)
                             'size'  2733189