======================== unified (from filesystem) ========================
                                         'bitrate'  '190.399'
                                        'duration'  '3554'
                                          'artist'  'The Gaslamp Killer'
                                     'text_people'  ''
                                         'release'  'All Killer (Finders Keepers Records 1-20)'
                                           'title'  'All Killer (Finders Keepers Records 1-20)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['psychedelic', 'jazz', 'electronic', 'hip hop', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '137.106'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         ('1-1 \tLuboš Fišer  -  \tThe Sermon \t\t\r'
 '1-2 \tJohn Hill (5)  -  \tEuropa \t\t\r'
 '1-3 \tJan Jankeje  -  \tSouth Indian Line \t\t\r'
 '2-1 \tSpectre  -  \tArkham \t\t\r'
 '2-2 \tChris Harwood*  -  \tWooden Ships \t\t\r'
 '2-3 \tSusan Christie  -  \tPaint A Lady \t\t\r'
 '2-4 \tJean-Jacques Dexter  -  \tBe')
'COMM:ID3v1 Comment:XXX'                            '1-1 \tLuboa Fiaer  -  \tThe Se'
'COMM:iTunNORM:eng'                                 (' 000005BD 0000065D 00009231 0000CAFE 002E239C 002E223F 00008000 00008000 '
 '0009E73C 0002B257')
'TALB' (Album/Movie/Show title)                     'All Killer (Finders Keepers Records 1-20)'
'TBPM' (BPM (beats per minute))                     '137.106'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'All Killer (Finders Keepers Records 1-20)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Gaslamp Killer'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['psychedelic', 'jazz', 'electronic', 'hip hop', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.46 dB'
'TXXX:replaygain_track_peak'                        '0.623205'

========================== row from database ==========================
                                              'id'  1384752
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/The Gaslamp Killer/All Killer (Finders Keepers Records 1-20)/01 All Killer (Finders Keepers Records 1-20).mp3
                                         'working'  None
                                         'bitrate'  190
                                    'duration_sec'  3554
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  84688747
                                           'mtime'  1620592517
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 01 hip hop rnb rap turntablism
                                      'tag_artist'  The Gaslamp Killer
                                     'tag_release'  All Killer (Finders Keepers Records 1-20)
                                       'tag_title'  All Killer (Finders Keepers Records 1-20)
                                             'bpm'  137.106
                                    'search_title'  '1':7 '120':9 '20':8 'all':1 'finders':3,4 'keepers':5 'killer':2 'records':6
                                   'search_artist'  'gaslamp':2 'killer':3 'the':1
                                  'search_release'  '1':7 '120':9 '20':8 'all':1 'finders':3,4 'keepers':5 'killer':2 'records':6
                                     'search_rest'  'hip':5 'hiphop':1 'hop':6 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '1':7A,19C '120':9A,21C '20':8A,20C 'all':1A,13C 'finders':3A,4A,15C,16C 'gaslamp':11B 'hip':26 'hiphop':22 'hop':27 'keepers':5A,17C 'killer':2A,12B,14C 'rap':23 'records':6A,18C 'rnb':24 'the':10B 'turntablism':25
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic', 'jazz', 'electronic', 'hip hop', 'experimental']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620592517.2139423  (2021-05-09 22:35:17)
                             'size'  84688747