======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '260'
                                          'artist'  'E-Z Rollers'
                                     'text_people'  ''
                                         'release'  'Titles of the Unexpected-RETAIL'
                                           'title'  'E-Z Outro'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['drum and bass', 'electronic', 'jungle', 'drum n bass', 'dnb']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '111.517'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Titles of the Unexpected-RETAIL'
'TBPM' (BPM (beats per minute))                     '111.517'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-th-breakbeat or dnb or jungle',
 'electronic-th-breakbeat or dnb or jungle']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'E-Z Outro'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'E-Z Rollers'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['drum and bass', 'electronic', 'jungle', 'drum n bass', 'dnb']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.23 dB'
'TXXX:replaygain_track_peak'                        '0.431541'

========================== row from database ==========================
                                              'id'  1345836
                                            'path'  /data/Music/Bulk/00poprockelectronic/00dnb/E-Z Rollers/EZ_Rollers-Titles_of_the_unexpected-2003/cd1/cd1-14-ez_rollers-ez_outro-.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  260
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  6261748
                                           'mtime'  1621696519
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00dnb EZ_Rollers Titles_of_the_unexpected 2003 cd1 cd1 14 ez_rollers ez_outro electronic breakbeat or dnb or jungle
                                      'tag_artist'  E-Z Rollers
                                     'tag_release'  Titles of the Unexpected-RETAIL
                                       'tag_title'  E-Z Outro
                                             'bpm'  111.517
                                    'search_title'  'e':1 'ez':3 'outro':4 'z':2
                                   'search_artist'  'e':1 'ez':3 'rollers':4 'z':2
                                  'search_release'  'of':2 'retail':5 'the':3 'titles':1 'unexpected':4 'unexpectedretail':6
                                     'search_rest'  '00dnb':2 '00poprockelectronic':1 '2003':9 'breakbeat':14 'cd1':10 'dnb':16 'electronic':13 'ez':3,11 'jungle':17 'of':6 'or':15 'outro':12 'rollers':4 'the':7 'titles':5 'unexpected':8
                                    'search_combo'  '00dnb':16 '00poprockelectronic':15 '2003':23 'breakbeat':28 'cd1':24 'dnb':30 'e':1A,5B 'electronic':27 'ez':3A,7B,17,25 'jungle':31 'of':10C,20 'or':29 'outro':4A,26 'retail':13C 'rollers':8B,18 'the':11C,21 'titles':9C,19 'unexpected':12C,22 'unexpectedretail':14C 'z':2A,6B
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['drum and bass', 'electronic', 'jungle', 'drum n bass', 'dnb']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696519.4765456  (2021-05-22 17:15:19)
                             'size'  6261748