<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '256'
                                          'artist'  'Pride of Mind'
                                     'text_people'  ''
                                         'release'  'Systems of Romance'
                                           'title'  'Flowers'
                                           'quals'  ("['Q-LOCALNESS-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['new wave', 'j rock', 'gothic', 'japanese', 'darkwave']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;eid-ebm or industrial or darkwave;set-pl-sced'
                                             'bpm'  '115.987'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d81af0>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1357103"/>
'COMM:ID3v1 Comment:XXX'                            ' 000007E2 00000618 00002099'
'COMM:iTunNORM:eng'                                 (' 000007E2 00000618 00002099 00001ED2 000382B5 000382B5 00007B95 00007A76 '
 '000186B7 00035B60')
'PRIV:AverageLevel:\t\x1a\x00\x00'                  PRIV(owner='AverageLevel', data=b'\t\x1a\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Systems of Romance'
'TBPM' (BPM (beats per minute))                     '115.987'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'eid-ebm or industrial or darkwave', 'set-pl-sced']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Flowers'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Pride of Mind'
'TPE2' (Band/orchestra/accompaniment)               'Pride of Mind'
'TRCK' (Track number/Position in set)               '05'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['new wave', 'j rock', 'gothic', 'japanese', 'darkwave']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.63 dB'
'TXXX:replaygain_track_peak'                        '0.640060'

========================== row from database ==========================
                                              'id'  1357103
                                            'path'  /data/Music/Bulk/00poprockelectronic/Pride of Mind/[1995] Systems of Romance/05 Flowers.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  256
                                           'genre'  loc-asia-japan;eid-ebm or industrial or darkwave;set-pl-sced
                                        'filesize'  6179691
                                           'mtime'  1620296954
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [1995] 05 loc asia japan;eid ebm or industrial or darkwave;set pl sced
                                      'tag_artist'  Pride of Mind
                                     'tag_release'  Systems of Romance
                                       'tag_title'  Flowers
                                             'bpm'  115.987
                                    'search_title'  'flowers':1
                                   'search_artist'  'mind':3 'of':2 'pride':1
                                  'search_release'  'of':2 'romance':3 'systems':1
                                     'search_rest'  '00poprockelectronic':1 '1995':2,3 'asia':5 'darkwave':13,15 'ebm':10 'eid':7,9 'industrial':12 'japan':6,8 'loc':4 'or':11 'pl':17 'sced':18 'set':14,16
                                    'search_combo'  '00poprockelectronic':8 '1995':9,10 'asia':12 'darkwave':20,22 'ebm':17 'eid':14,16 'flowers':1A 'industrial':19 'japan':13,15 'loc':11 'mind':4B 'of':3B,6C 'or':18 'pl':24 'pride':2B 'romance':7C 'sced':25 'set':21,23 'systems':5C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['new wave', 'j rock', 'gothic', 'japanese', 'darkwave']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620296954.1791487  (2021-05-06 12:29:14)
                             'size'  6179691