======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '351'
                                          'artist'  'VNV Nation'
                                     'text_people'  ''
                                         'release'  'Praise The Fallen'
                                           'title'  'Joy'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['ebm', 'industrial', 'electronic', 'synthpop', 'futurepop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '128.822'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Praise The Fallen'
'TBPM' (BPM (beats per minute))                     '128.822'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Joy'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'VNV Nation'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['ebm', 'industrial', 'electronic', 'synthpop', 'futurepop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.43 dB'
'TXXX:replaygain_track_peak'                        '0.582878'

========================== row from database ==========================
                                              'id'  1329585
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/recovered_mp3_2330.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  351
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  5625505
                                           'mtime'  1620296979
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] recovered_mp3_2330 eid ebm or industrial or darkwave
                                      'tag_artist'  VNV Nation
                                     'tag_release'  Praise The Fallen
                                       'tag_title'  Joy
                                             'bpm'  128.822
                                    'search_title'  'joy':1
                                   'search_artist'  'nation':2 'vnv':1
                                  'search_release'  'fallen':3 'praise':1 'the':2
                                     'search_rest'  '00poprockelectronic':1 '2330':9 'darkwave':14 'ebm':11 'eid':10 'files':5,6 'industrial':13 'loose':3,4 'mp3':8 'or':12 'recovered':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 '2330':15 'darkwave':20 'ebm':17 'eid':16 'fallen':6C 'files':11,12 'industrial':19 'joy':1A 'loose':9,10 'mp3':14 'nation':3B 'or':18 'praise':4C 'recovered':13 'the':5C 'unsorted':8 'vnv':2B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', '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-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['ebm', 'industrial', 'electronic', 'synthpop', 'futurepop']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620296978.8585987  (2021-05-06 12:29:38)
                             'size'  5625505