======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '187'
                                          'artist'  'Carlton the Doorman'
                                     'text_people'  ''
                                         'release'  '7" Single'
                                           'title'  'Who Is It'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', "
 "'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['silly']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '141.118'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '365 Days Project'
'COMM:ID3v1 Comment:XXX'                            '365 Days Project'
'COMM:iTunNORM:eng'                                 (' 00002128 0000230E 00010B49 0000C935 00028378 000226EB 0000967F 00009096 '
 '0000933E 00007F72')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000006F0 00000000007E0000 00000000 00448398 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     '7" Single'
'TBPM' (BPM (beats per minute))                     '141.118'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1975'
'TENC' (Encoded by)                                 'iTunes v7.4.1'
'TIT2' (Title/songname/content description)         'Who Is It'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Carlton the Doorman'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'silly'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.31 dB'
'TXXX:replaygain_track_peak'                        '0.293249'

========================== row from database ==========================
                                              'id'  1340767
                                            'path'  /data/Music/Bulk/00poprockelectronic/11/318_1_Carlton_the_Doorman_-_Who_Is_It.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  187
                                           'genre'  electronic-unsorted
                                        'filesize'  4507826
                                           'mtime'  1620565332
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 11 318_1_Carlton_the_Doorman_ _Who_Is_It electronic unsorted
                                      'tag_artist'  Carlton the Doorman
                                     'tag_release'  7" Single
                                       'tag_title'  Who Is It
                                             'bpm'  141.118
                                    'search_title'  'is':2 'it':3 'who':1
                                   'search_artist'  'carlton':1 'doorman':3 'the':2
                                  'search_release'  '7':1 'single':2
                                     'search_rest'  '00poprockelectronic':1 '1':3 '318':2 'carlton':4 'doorman':6 'electronic':10 'is':8 'it':9 'the':5 'unsorted':11 'who':7
                                    'search_combo'  '00poprockelectronic':9 '1':11 '318':10 '7':7C 'carlton':4B,12 'doorman':6B,14 'electronic':18 'is':2A,16 'it':3A,17 'single':8C 'the':5B,13 'unsorted':19 'who':1A,15
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6A
                                           '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-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['silly']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620565332.3745966  (2021-05-09 15:02:12)
                             'size'  4507826