======================== unified (from filesystem) ========================
                                         'bitrate'  '205.454'
                                        'duration'  '326'
                                          'artist'  'Aflex Combo'
                                     'text_people'  ''
                                         'release'  'The Sound of Feeling'
                                           'title'  'Somethin Blue'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-3', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-3', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['funk', 'japanese', 'electronic', 'jazz', 'acid jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '112.134'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00001BD7 00000000 0000B787'
'COMM:iTunNORM:eng'                                 (' 00001BD7 00000000 0000B787 00000000 00046044 00000000 00008000 00000000 '
 '0000E807 00000000')
'TALB' (Album/Movie/Show title)                     'The Sound of Feeling'
'TBPM' (BPM (beats per minute))                     '112.134'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TCOP' (Copyright message)                          'routine records'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Somethin Blue'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Aflex Combo'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['funk', 'japanese', 'electronic', 'jazz', 'acid jazz']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.12 dB'
'TXXX:replaygain_track_peak'                        '0.337081'

========================== row from database ==========================
                                              'id'  1509449
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Aflex Combo - SOMETHIN_ BLUE.mp3
                                         'working'  None
                                         'bitrate'  205
                                    'duration_sec'  326
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  8442029
                                           'mtime'  1620586685
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism SOMETHIN_ BLUE hip hop or rnb or rap or turntablism
                                      'tag_artist'  Aflex Combo
                                     'tag_release'  The Sound of Feeling
                                       'tag_title'  Somethin Blue
                                             'bpm'  112.134
                                    'search_title'  'blue':2 'somethin':1
                                   'search_artist'  'aflex':1 'combo':2
                                  'search_release'  'feeling':4 'of':3 'sound':2 'the':1
                                     'search_rest'  'blue':6 'hip':7 'hiphop':1 'hop':8 'or':9 'rap':2 'rnb':3 'somethin':5 'turntablism':4
                                    'search_combo'  'aflex':3B 'blue':2A,14 'combo':4B 'feeling':8C 'hip':15 'hiphop':9 'hop':16 'of':7C 'or':17 'rap':10 'rnb':11 'somethin':1A,13 'sound':6C 'the':5C 'turntablism':12
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['funk', 'japanese', 'electronic', 'jazz', 'acid jazz']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586685.208596  (2021-05-09 20:58:05)
                             'size'  8442029