======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '278'
                                          'artist'  'Martini Bros'
                                     'text_people'  ''
                                         'release'  'Tiga - DJ Kicks'
                                           'title'  'The Biggest Fan (Black Strobe'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['electronic', 'minimal', 'house', 'electro', 'electronica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-we-electro'
                                             'bpm'  '130.482'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000901 00000716 00002E11 00'
'COMM:iTunNORM:eng'                                 (' 00000901 00000716 00002E11 0000252C 00002727 00002727 00008000 00008000 '
 '0000002E 0000273E')
'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')
'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')
'TALB' (Album/Movie/Show title)                     'Tiga - DJ Kicks'
'TBPM' (BPM (beats per minute))                     '130.482'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electro'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'The Biggest Fan (Black Strobe'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Martini Bros'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:lastfmtags'                                   ['electronic', 'minimal', 'house', 'electro', 'electronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.00 dB'
'TXXX:replaygain_track_peak'                        '0.515906'

========================== row from database ==========================
                                              'id'  1321024
                                            'path'  /data/Music/Bulk/00poprockelectronic/Tiga/DJ Kicks [2003]/24-martini_bros--the_biggest_fan_black_strobe_mix.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  278
                                           'genre'  electronic-we-electro
                                        'filesize'  6697814
                                           'mtime'  1621697817
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2003] 24 martini_bros the_biggest_fan_black_strobe_mix electronic we electro
                                      'tag_artist'  Martini Bros
                                     'tag_release'  Tiga - DJ Kicks
                                       'tag_title'  The Biggest Fan (Black Strobe
                                             'bpm'  130.482
                                    'search_title'  'biggest':2 'black':4,5 'fan':3 'strobe':6 'the':1
                                   'search_artist'  'bros':2 'martini':1
                                  'search_release'  'dj':2 'kicks':3 'tiga':1
                                     'search_rest'  '00poprockelectronic':1 '2003':2,3 '24':4 'biggest':8 'black':10 'bros':6 'electro':15 'electronic':13 'fan':9 'martini':5 'mix':12 'strobe':11 'the':7 'we':14
                                    'search_combo'  '00poprockelectronic':12 '2003':13,14 '24':15 'biggest':2A,19 'black':4A,5A,21 'bros':8B,17 'dj':10C 'electro':26 'electronic':24 'fan':3A,20 'kicks':11C 'martini':7B,16 'mix':23 'strobe':6A,22 'the':1A,18 'tiga':9C 'we':25
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', '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-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'minimal', 'house', 'electro', 'electronica']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697817.3369875  (2021-05-22 17:36:57)
                             'size'  6697814