======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '220'
                                          'artist'  'In Flames'
                                     'text_people'  'Anders Fridén/Björn Gelotte/Jesper Strömblad'
                                         'release'  'Reroute to Remain'
                                           'title'  'Dawn of a New Day'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', 'death metal', 'melodic death metal', 'metal', 'swedish metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'eid-metal-death;eid-metal-melodic'
                                             'bpm'  '120'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::dut'                                         ("2002 release from Sweden's In Flames, the band's most  superior and "
 'accessible album yet. The Iron Maiden of  today! Fourteen songs of conscious '
 'insanity.')
'COMM::eng'                                         (' 00001254 00001083 00004AB5 00004518 000186CE 00009C85 00008000 00008000 '
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'TALB' (Album/Movie/Show title)                     'Reroute to Remain'
'TBPM' (BPM (beats per minute))                     '120'
'TCOM' (Composer)                                   'Anders Fridén/Björn Gelotte/Jesper Strömblad'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal-death', 'eid-metal-melodic']
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Dawn of a New Day'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'In Flames'
'TPE2' (Band/orchestra/accompaniment)               'In Flames'
'TPUB' (Publisher)                                  'Nuclear Blast America'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['swedish', 'death metal', 'melodic death metal', 'metal', 'swedish metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.72 dB'
'TXXX:replaygain_track_peak'                        '0.398935'

========================== row from database ==========================
                                              'id'  1399743
                                            'path'  /data/Music/Bulk/00dwimp/00metal/In Flames/Reroute to Remain/In Flames-Reroute to Remain-Dawn of a New Day.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  220
                                           'genre'  eid-metal-death;eid-metal-melodic
                                        'filesize'  8865731
                                           'mtime'  1620301994
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal eid metal death;eid metal melodic
                                      'tag_artist'  In Flames
                                     'tag_release'  Reroute to Remain
                                       'tag_title'  Dawn of a New Day
                                             'bpm'  120.0
                                    'search_title'  'a':3 'dawn':1 'day':5 'new':4 'of':2
                                   'search_artist'  'flames':2 'in':1
                                  'search_release'  'remain':3 'reroute':1 'to':2
                                     'search_rest'  '00dwimp':1 '00metal':2 'death':5,7 'eid':3,6,8 'melodic':9 'metal':4
                                    'search_combo'  '00dwimp':11 '00metal':12 'a':3A 'dawn':1A 'day':5A 'death':15,17 'eid':13,16,18 'flames':7B 'in':6B 'melodic':19 'metal':14 'new':4A 'of':2A 'remain':10C 'reroute':8C 'to':9C
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['swedish', 'death metal', 'melodic death metal', 'metal', 'swedish metal']
                                        'tag_date'  2002
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301993.626057  (2021-05-06 13:53:13)
                             'size'  8865731