======================== unified (from filesystem) ========================
                                         'bitrate'  '131.034'
                                        'duration'  '239'
                                          'artist'  'bombtracks (10 years)'
                                     'text_people'  ''
                                         'release'  'University Of Pennsylvania Off The Beat'
                                           'title'  "Gangsta's Paradise / Stevie Wonder/Coolio"
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '16'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'soundtrack-game'
                                             'bpm'  '111.211'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:iTunNORM:eng'                                 (' 00000B1C 00000ADC 000035DA 000036AA 0002F916 0002F916 00008000 00008000 '
 '00029280 0000C717')
'PRIV:AverageLevel:ì\x17\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xec\x17\x00\x00')
'PRIV:PeakValue:þ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xfe\x7f\x00\x00')
'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)                     'University Of Pennsylvania Off The Beat'
'TBPM' (BPM (beats per minute))                     '111.211'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-game'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         "Gangsta's Paradise / Stevie Wonder/Coolio"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'off-beat'
'TPE2' (Band/orchestra/accompaniment)               'bombtracks (10 years)'
'TRCK' (Track number/Position in set)               '5/16'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.37 dB'
'TXXX:replaygain_track_peak'                        '0.528560'

========================== row from database ==========================
                                              'id'  1507681
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/barbershop quartet - rockapella - gangsta_s paradise.mp3
                                         'working'  None
                                         'bitrate'  131
                                    'duration_sec'  239
                                           'genre'  soundtrack-game
                                        'filesize'  3960658
                                           'mtime'  1620331871
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] barbershop quartet rockapella gangsta_s paradise soundtrack game
                                      'tag_artist'  bombtracks (10 years)
                                     'tag_release'  University Of Pennsylvania Off The Beat
                                       'tag_title'  Gangsta's Paradise / Stevie Wonder/Coolio
                                             'bpm'  111.211
                                    'search_title'  'coolio':7 'gangsta':1 'gangstas':3 'paradise':4 's':2 'stevie':5 'wonder':6 'wondercoolio':8
                                   'search_artist'  '10':2,3 'bombtracks':1 'years':4,5
                                  'search_release'  'beat':6 'of':2 'off':4 'pennsylvania':3 'the':5 'university':1
                                     'search_rest'  '00poprockelectronic':1 'barbershop':7 'files':5,6 'game':14 'gangsta':10 'loose':3,4 'paradise':12 'quartet':8 'rockapella':9 's':11 'soundtrack':13 'unsorted':2
                                    'search_combo'  '00poprockelectronic':20 '10':10B,11B 'barbershop':26 'beat':19C 'bombtracks':9B 'coolio':7A 'files':24,25 'game':33 'gangsta':1A,29 'gangstas':3A 'loose':22,23 'of':15C 'off':17C 'paradise':4A,31 'pennsylvania':16C 'quartet':27 'rockapella':28 's':2A,30 'soundtrack':32 'stevie':5A 'the':18C 'university':14C 'unsorted':21 'wonder':6A 'wondercoolio':8A 'years':12B,13B
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620331870.729111  (2021-05-06 22:11:10)
                             'size'  3960658