======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '307'
                                          'artist'  'MSTRKRFT'
                                     'text_people'  'Alex P/Jesse F. Keeler'
                                         'release'  'The Looks'
                                           'title'  "She's Good For Business"
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'electronica', 'electro', 'electronic', 'canadian']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '129.979'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '640AA008+204200+8+150+26847+'
'COMM:iTunNORM:eng'                                 (' 0000167F 0000183E 00009C19 0000C626 0003D380 00036E5E 00008000 00008000 '
 '000045D7 000045D7')
'COMM:iTunes_CDDB_1:eng'                            '640AA008+204200+8+150+26847+48745+71776+97903+120407+151573+178229'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '3'
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'PRIV:WM/WMCollectionID:ëÁªÛ\x0cøëE½<\x08\x1cÿá@\x84'  PRIV(owner='WM/WMCollectionID', data=b'\xeb\xc1\xaa\xdb\x0c\xf8\xebE\xbd<\x08\x1c\xff\xe1@\x84')
'PRIV:WM/WMContentID:Î\x98\x97×¾\x97¼I¸åÝ<~Æð\n'    PRIV(owner='WM/WMContentID', data=b'\xce\x98\x97\xd7\xbe\x97\xbcI\xb8\xe5\xdd<~\xc6\xf0\n')
'TALB' (Album/Movie/Show title)                     'The Looks'
'TBPM' (BPM (beats per minute))                     '129.979'
'TCOM' (Composer)                                   'Alex P/Jesse F. Keeler'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'iTunes v6.0.4.2'
'TIT2' (Title/songname/content description)         "She's Good For Business"
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'MSTRKRFT'
'TPE2' (Band/orchestra/accompaniment)               'MSTRKRFT'
'TPUB' (Publisher)                                  'Last Gang'
'TRCK' (Track number/Position in set)               '3'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'electronica', 'electro', 'electronic', 'canadian']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.67 dB'
'TXXX:replaygain_track_peak'                        '0.420178'

========================== row from database ==========================
                                              'id'  1503164
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/03 she_s good for business.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  307
                                           'genre'  rock-unsorted
                                        'filesize'  7373703
                                           'mtime'  1621696715
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 03 she_s good for business rock unsorted
                                      'tag_artist'  MSTRKRFT
                                     'tag_release'  The Looks
                                       'tag_title'  She's Good For Business
                                             'bpm'  129.979
                                    'search_title'  'business':6 'for':5 'good':4 's':2 'she':1 'shes':3
                                   'search_artist'  'mstrkrft':1
                                  'search_release'  'looks':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 'business':11 'files':5,6 'for':10 'good':9 'loose':3,4 'rock':12 's':8 'she':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 'business':6A,20 'files':14,15 'for':5A,19 'good':4A,18 'looks':9C 'loose':12,13 'mstrkrft':7B 'rock':21 's':2A,17 'she':1A,16 'shes':3A 'the':8C 'unsorted':11
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'electronica', 'electro', 'electronic', 'canadian']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696715.0071619  (2021-05-22 17:18:35)
                             'size'  7373703