======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '173'
                                          'artist'  'The White Stripes'
                                     'text_people'  ''
                                         'release'  'White blood cells'
                                           'title'  "I'm Finding It Harder To Be A Gentlemen"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'indie', 'alternative', 'indie rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock;set-pl-sced;ifs-songwriter-indie-pop;rock-pop-indie'
                                             'bpm'  '84.844'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000C73 00001BD3 00002970'
'COMM:iTunNORM:eng'                                 (' 00000C73 00001BD3 00002970 00005876 0000C367 00015FA7 00008000 00008000 '
 '00009C85 00009C85')
'PRIV:AverageLevel:\t(\x00\x00'                     PRIV(owner='AverageLevel', data=b'\t(\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'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')
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'TALB' (Album/Movie/Show title)                     'White blood cells'
'TBPM' (BPM (beats per minute))                     '84.844'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie-rock',
 'set-pl-sced',
 'ifs-songwriter-indie-pop',
 'rock-pop-indie']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         "I'm Finding It Harder To Be A Gentlemen"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The White Stripes'
'TPE2' (Band/orchestra/accompaniment)               'The White Stripes'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['alternative rock', 'indie', 'alternative', 'indie rock', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.11 dB'
'TXXX:replaygain_track_peak'                        '0.389931'

========================== row from database ==========================
                                              'id'  1497201
                                            'path'  /data/Music/Bulk/00poprockelectronic/The White Stripes/[2001] White blood cells/03 I_m Finding It Harder To Be A Gentlemen.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  173
                                           'genre'  ifs-songwriter-indie-rock;set-pl-sced;ifs-songwriter-indie-pop;rock-pop-indie
                                        'filesize'  3517115
                                           'mtime'  1636403411
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2001] 03 I_m ifs songwriter indie rock;set pl sced;ifs songwriter indie pop;rock pop indie
                                      'tag_artist'  The White Stripes
                                     'tag_release'  White blood cells
                                       'tag_title'  I'm Finding It Harder To Be A Gentlemen
                                             'bpm'  84.844
                                    'search_title'  'a':9 'be':8 'finding':4 'gentlemen':10 'harder':6 'i':1 'im':3 'it':5 'm':2 'to':7
                                   'search_artist'  'stripes':3 'the':1 'white':2
                                  'search_release'  'blood':2 'cells':3 'white':1
                                     'search_rest'  '00poprockelectronic':1 '2001':2,3 'i':4 'ifs':6,15,17 'indie':8 'm':5 'pl':13 'pop':18,20,22 'rock':9,11,19,21 'sced':14,16 'set':10,12 'songwriter':7
                                    'search_combo'  '00poprockelectronic':17 '2001':18,19 'a':9A 'be':8A 'blood':15C 'cells':16C 'finding':4A 'gentlemen':10A 'harder':6A 'i':1A,20 'ifs':22,31,33 'im':3A 'indie':24 'it':5A 'm':2A,21 'pl':29 'pop':34,36,38 'rock':25,27,35,37 'sced':30,32 'set':26,28 'songwriter':23 'stripes':13B 'the':11B 'to':7A 'white':12B,14C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  6A
                                           '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-4', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'indie', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636403410.9860134  (2021-11-08 21:30:10)
                             'size'  3517115