======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '427'
                                          'artist'  'Avus'
                                     'text_people'  'Scott Edwards'
                                         'release'  'The Top 100 Tracks of 2010'
                                           'title'  'Reality Itself'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['techno', 'minimal techno', 'electronic', 'minimal', 'progressive house']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '124.011'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover image'                                  type PictureType.COVER_FRONT (Cover (front)) b'cover image'
                                     
'COMM::eng'                                         '28bcd'
'COMM:ID3v1 Comment:XXX'                            '28bcd'
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'PRIV:WM/WMCollectionID:ÖÅ\x82FØ;\x98B\xad´oÑ7Ê\x1cd'  PRIV(owner='WM/WMCollectionID', data=b'\xd6\xc5\x82F\xd8;\x98B\xad\xb4o\xd17\xca\x1cd')
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'TALB' (Album/Movie/Show title)                     'The Top 100 Tracks of 2010'
'TBPM' (BPM (beats per minute))                     '124.011'
'TCOM' (Composer)                                   'Scott Edwards'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TCOP' (Copyright message)                          '2010 Border Community Recordings Ltd'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Reality Itself'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Avus'
'TPE2' (Band/orchestra/accompaniment)               'Avus'
'TRCK' (Track number/Position in set)               '4'
'TSRC' (ISRC (international standard recording code))  'GBUZD0802804'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['techno', 'minimal techno', 'electronic', 'minimal', 'progressive house']
'TXXX:publisher'                                    ['Copyright Control', 'Border Community']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.02 dB'
'TXXX:replaygain_track_peak'                        '0.441087'
'WCOM:5051083053426'                                WCOM(url='5051083053426')

========================== row from database ==========================
                                              'id'  1308350
                                            'path'  /data/Music/Bulk/00poprockelectronic/Africa HiTech - The Top 100 Tracks of 2010/Avus_Reality_Itself.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  427
                                           'genre'  electronic-unsorted
                                        'filesize'  17118584
                                           'mtime'  1620566970
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Africa HiTech Avus_Reality_Itself electronic unsorted
                                      'tag_artist'  Avus
                                     'tag_release'  The Top 100 Tracks of 2010
                                       'tag_title'  Reality Itself
                                             'bpm'  124.011
                                    'search_title'  'itself':2 'reality':1
                                   'search_artist'  'avus':1
                                  'search_release'  '100':3 '2010':6 'of':5 'the':1 'top':2 'tracks':4
                                     'search_rest'  '00poprockelectronic':1 'africa':2 'avus':4 'electronic':7 'hi':9 'hitech':3 'itself':6 'reality':5 'tech':10 'unsorted':8
                                    'search_combo'  '00poprockelectronic':10 '100':6C '2010':9C 'africa':11 'avus':3B,13 'electronic':16 'hi':18 'hitech':12 'itself':2A,15 'of':8C 'reality':1A,14 'tech':19 'the':4C 'top':5C 'tracks':7C 'unsorted':17
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['techno', 'minimal techno', 'electronic', 'minimal', 'progressive house']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620566970.3984842  (2021-05-09 15:29:30)
                             'size'  17118584