======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '253'
                                          'artist'  'ADULT.'
                                     'text_people'  ''
                                         'release'  'Why Bother?'
                                           'title'  'Red Herring'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'electroclash', 'electronic', 'electro', 'synthpop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '14'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-we-electroclash;set-pl-sced'
                                             'bpm'  '120.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000DAA 000009F9 000029BF 00001C7B 0000EA77 00024A35 00008000 00008000 '
 '0001D4D7 0001D505')
'TALB' (Album/Movie/Show title)                     'Why Bother?'
'TBPM' (BPM (beats per minute))                     '120.0'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-electroclash', 'set-pl-sced']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Red Herring'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'ADULT.'
'TPE2' (Band/orchestra/accompaniment)               'ADULT.'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/14'
'TXXX:ITunSMPB'                                     ('00000000 00000840 000000C0 0000000000AA4300 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TXXX:ITunes_CDDB_IDs'                              '14+95ADFE6AFBC138A36BE68CC0EEC539B7+8500388'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tempo'                                        '00000 BPM'
'TXXX:Tool'                                         'iTunes v7.0.2.16, QuickTime 7.1.3'
'TXXX:Writer'                                       'Adult.'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'electroclash', 'electronic', 'electro', 'synthpop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'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'                        '-2.02 dB'
'TXXX:replaygain_track_peak'                        '0.577952'

========================== row from database ==========================
                                              'id'  1364311
                                            'path'  /data/Music/Bulk/00poprockelectronic/00clash/ADULT. - ADULT_/[2007] Why Bother_/01 Red Herring.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  253
                                           'genre'  electronic-we-electroclash;set-pl-sced
                                        'filesize'  6394817
                                           'mtime'  1620561093
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00clash ADULT_ [2007] Bother_ 01 electronic we electroclash;set pl sced
                                      'tag_artist'  ADULT.
                                     'tag_release'  Why Bother?
                                       'tag_title'  Red Herring
                                             'bpm'  120.0
                                    'search_title'  'herring':2 'red':1
                                   'search_artist'  'adult':1,2
                                  'search_release'  'bother':2 'why':1
                                     'search_rest'  '00clash':2 '00poprockelectronic':1 '2007':4,5 'adult':3 'bother':6 'electroclash':9,11 'electronic':7 'pl':13 'sced':14 'set':10,12 'we':8
                                    'search_combo'  '00clash':8 '00poprockelectronic':7 '2007':10,11 'adult':3B,4B,9 'bother':6C,12 'electroclash':15,17 'electronic':13 'herring':2A 'pl':19 'red':1A 'sced':20 'set':16,18 'we':14 'why':5C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-4', '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-1', 'q-grit-3']
                                      'lastfmtags'  ['electronica', 'electroclash', 'electronic', 'electro', 'synthpop']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620561092.9821167  (2021-05-09 13:51:32)
                             'size'  6394817