======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '241'
                                          'artist'  'Coil'
                                     'text_people'  'Coil/John Balance'
                                         'release'  'Horse Rotorvator'
                                           'title'  'The Anal Staircase'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dark ambient', 'industrial', 'electronic', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic', 'abstract', 'industrial', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '110.2'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

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'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')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
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'PRIV:WM/WMCollectionID:ú\x00ã\x96bhHO»\x9e!á_*e¶'  PRIV(owner='WM/WMCollectionID', data=b'\xfa\x00\xe3\x96bhHO\xbb\x9e!\xe1_*e\xb6')
'PRIV:WM/WMContentID::1ÞÄ$\x12fL¼9«3\x94KÅ\xa0'     PRIV(owner='WM/WMContentID', data=b':1\xde\xc4$\x12fL\xbc9\xab3\x94K\xc5\xa0')
'TALB' (Album/Movie/Show title)                     'Horse Rotorvator'
'TBPM' (BPM (beats per minute))                     '110.2'
'TCOM' (Composer)                                   'Coil/John Balance'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'The Anal Staircase'
'TKEY' (Initial key)                                '5A'
'TLEN' (Length)                                     '241733'
'TPE1' (Lead performer(s)/Soloist(s))               'Coil'
'TPE2' (Band/orchestra/accompaniment)               'Coil'
'TPUB' (Publisher)                                  'Threshold'
'TRCK' (Track number/Position in set)               '1'
'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:discogstags'                                  ['electronic', 'abstract', 'industrial', 'experimental']
'TXXX:lastfmtags'                                   ['dark ambient', 'industrial', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.15 dB'
'TXXX:replaygain_track_peak'                        '0.624350'

========================== row from database ==========================
                                              'id'  1354487
                                            'path'  /data/Music/Bulk/00poprockelectronic/Coil/1986 horse rotorvator/01-the anal staircase.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  241
                                           'genre'  electronic
                                        'filesize'  5806080
                                           'mtime'  1636913991
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1986 horse rotorvator 01 the anal staircase electronic
                                      'tag_artist'  Coil
                                     'tag_release'  Horse Rotorvator
                                       'tag_title'  The Anal Staircase
                                             'bpm'  110.2
                                    'search_title'  'anal':2 'staircase':3 'the':1
                                   'search_artist'  'coil':1
                                  'search_release'  'horse':1 'rotorvator':2
                                     'search_rest'  '00poprockelectronic':1 '1986':2 'anal':6 'electronic':8 'horse':3 'rotorvator':4 'staircase':7 'the':5
                                    'search_combo'  '00poprockelectronic':7 '1986':8 'anal':2A,12 'coil':4B 'electronic':14 'horse':5C,9 'rotorvator':6C,10 'staircase':3A,13 'the':1A,11
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'industrial', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  1986
                                     'discogstags'  ['electronic', 'abstract', 'industrial', 'experimental']

============================== file details ==============================
                                           'mtime'  1636913990.7688844  (2021-11-14 19:19:50)
                             'size'  5806080