======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '150'
                                          'artist'  'Miss Kittin'
                                     'text_people'  ''
                                         'release'  'Electroclash'
                                           'title'  'Berlin Is Burning (Vocal Outro)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'electroclash', 'electronic', 'electro', 'techno']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-we-electroclash;set-pl-sced'
                                             'bpm'  '135.365'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000055A 00000599 0000668B'
'COMM:iTunNORM:eng'                                 (' 0000055A 00000599 0000668B 00007307 00022325 00022325 00008000 00008000 '
 '0002230E 0001FBE7')
'TALB' (Album/Movie/Show title)                     'Electroclash'
'TBPM' (BPM (beats per minute))                     '135.365'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-electroclash', 'set-pl-sced']
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Berlin Is Burning (Vocal Outro)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Miss Kittin'
'TPE2' (Band/orchestra/accompaniment)               'Miss Kittin'
'TRCK' (Track number/Position in set)               '19'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'electroclash', 'electronic', 'electro', 'techno']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.11 dB'
'TXXX:replaygain_track_peak'                        '0.885335'

========================== row from database ==========================
                                              'id'  1297535
                                            'path'  /data/Music/Bulk/00poprockelectronic/Electroclash/19 Berlin Is Burning (Vocal Outro).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  150
                                           'genre'  electronic-we-electroclash;set-pl-sced
                                        'filesize'  3813426
                                           'mtime'  1620561259
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 19 electronic we electroclash;set pl sced
                                      'tag_artist'  Miss Kittin
                                     'tag_release'  Electroclash
                                       'tag_title'  Berlin Is Burning (Vocal Outro)
                                             'bpm'  135.365
                                    'search_title'  'berlin':1 'burning':3 'is':2 'outro':6,7 'vocal':4,5
                                   'search_artist'  'kittin':2 'miss':1
                                  'search_release'  'electroclash':1
                                     'search_rest'  '00poprockelectronic':1 '19':2 'electroclash':5,7 'electronic':3 'pl':9 'sced':10 'set':6,8 'we':4
                                    'search_combo'  '00poprockelectronic':11 '19':12 'berlin':1A 'burning':3A 'electroclash':10C,15,17 'electronic':13 'is':2A 'kittin':9B 'miss':8B 'outro':6A,7A 'pl':19 'sced':20 'set':16,18 'vocal':4A,5A 'we':14
                                    'tag_tracknum'  19
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electroclash', 'electronic', 'electro', 'techno']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561258.6935606  (2021-05-09 13:54:18)
                             'size'  3813426