======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '362'
                                          'artist'  'The Prodigy'
                                     'text_people'  ''
                                         'release'  'Experience Expanded (cd2)'
                                           'title'  'Your Love'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['industrial', 'dance', 'techno', 'electronic', 'electronica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-bigbeat;set-pl-sced'
                                             'bpm'  '137.0'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000F64 00000FEC 00007B0F 00006C01 00055747 00055747 00008000 00008000 '
 '0000C37E 00015FD5')
'TALB' (Album/Movie/Show title)                     'Experience Expanded (cd2)'
'TBPM' (BPM (beats per minute))                     '137.0'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-bigbeat', 'set-pl-sced']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Your Love'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Prodigy'
'TPE2' (Band/orchestra/accompaniment)               'The Prodigy'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '01'
'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'                                   ['industrial', 'dance', 'techno', 'electronic', 'electronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.24 dB'
'TXXX:replaygain_track_peak'                        '0.414181'

========================== row from database ==========================
                                              'id'  1327045
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Prodigy/[2001] Experience Expanded (cd2)/2-01 Your Love.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  362
                                           'genre'  electronic-generic or radio-bigbeat;set-pl-sced
                                        'filesize'  8780098
                                           'mtime'  1621696644
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2001] 01 electronic generic or radio bigbeat;set pl sced
                                      'tag_artist'  The Prodigy
                                     'tag_release'  Experience Expanded (cd2)
                                       'tag_title'  Your Love
                                             'bpm'  137.0
                                    'search_title'  'love':2 'your':1
                                   'search_artist'  'prodigy':2 'the':1
                                  'search_release'  'cd2':3,4 'expanded':2 'experience':1
                                     'search_rest'  '00poprockelectronic':1 '2001':2,3 'bigbeat':8,10 'electronic':4 'generic':5 'or':6 'pl':12 'radio':7 'sced':13 'set':9,11
                                    'search_combo'  '00poprockelectronic':9 '2001':10,11 'bigbeat':16,18 'cd2':7C,8C 'electronic':12 'expanded':6C 'experience':5C 'generic':13 'love':2A 'or':14 'pl':20 'prodigy':4B 'radio':15 'sced':21 'set':17,19 'the':3B 'your':1A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'dance', 'techno', 'electronic', 'electronica']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696644.4130843  (2021-05-22 17:17:24)
                             'size'  8780098