======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '438'
                                          'artist'  'The Gaslamp Killer'
                                     'text_people'  ''
                                         'release'  'Hell And The Lake Of Fire Are Waiting For You!'
                                           'title'  'Untitled 3'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', '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-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['psychedelic', 'jazz', 'electronic', 'hip hop', 'experimental']"
                                     'discogstags'  "['electronic', 'hip hop', 'instrumental', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '89.493'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000003E8 000003E1 00003E73'
'COMM:iTunNORM:eng'                                 (' 000003E8 000003E1 00003E73 0000422E 00010AAA 00010AAA 000070AE 000075FC '
 '00009534 00009534')
'TALB' (Album/Movie/Show title)                     'Hell And The Lake Of Fire Are Waiting For You!'
'TBPM' (BPM (beats per minute))                     '89.493'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Untitled 3'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '438040'
'TPE1' (Lead performer(s)/Soloist(s))               'The Gaslamp Killer'
'TRCK' (Track number/Position in set)               '3'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.98.2 (http://www.mp3dev.org/)'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'hip hop', 'instrumental', 'experimental']
'TXXX:lastfmtags'                                   ['psychedelic', 'jazz', 'electronic', 'hip hop', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.41 dB'
'TXXX:replaygain_track_peak'                        '0.650910'

========================== row from database ==========================
                                              'id'  1390134
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/The Gaslamp Killer/Hell And The Lake Of Fire Are Waiting For You!/03 Untitled 3.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  438
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  17597130
                                           'mtime'  1620592517
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 03 hip hop rnb rap turntablism
                                      'tag_artist'  The Gaslamp Killer
                                     'tag_release'  Hell And The Lake Of Fire Are Waiting For You!
                                       'tag_title'  Untitled 3
                                             'bpm'  89.493
                                    'search_title'  '3':2 'untitled':1
                                   'search_artist'  'gaslamp':2 'killer':3 'the':1
                                  'search_release'  'and':2 'are':7 'fire':6 'for':9 'hell':1 'lake':4 'of':5 'the':3 'waiting':8 'you':10
                                     'search_rest'  'hip':5 'hiphop':1 'hop':6 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '3':2A 'and':7C 'are':12C 'fire':11C 'for':14C 'gaslamp':4B 'hell':6C 'hip':20 'hiphop':16 'hop':21 'killer':5B 'lake':9C 'of':10C 'rap':17 'rnb':18 'the':3B,8C 'turntablism':19 'untitled':1A 'waiting':13C 'you':15C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic', 'jazz', 'electronic', 'hip hop', 'experimental']
                                        'tag_date'  2009
                                     'discogstags'  ['electronic', 'hip hop', 'instrumental', 'experimental']

============================== file details ==============================
                                           'mtime'  1620592517.3804886  (2021-05-09 22:35:17)
                             'size'  17597130