======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '193'
                                          'artist'  'Index'
                                     'text_people'  ''
                                         'release'  'Tape No061 - Infiltrate Your Mind'
                                           'title'  '8 Miles High'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ebm', 'industrial', 'psychedelic rock', 'psychedelic', 'garage rock']"
                                     'discogstags'  "['industrial', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes;rock-cppex-psychedelic'
                                             'bpm'  '87.3'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tape No061 - Infiltrate Your Mind'
'TBPM' (BPM (beats per minute))                     '87.3'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes', 'rock-cppex-psychedelic']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         '8 Miles High'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Index'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '05'
'TXXX:COUNTRY'                                      'US'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['industrial', 'electronic']
'TXXX:lastfmtags'                                   ['ebm', 'industrial', 'psychedelic rock', 'psychedelic', 'garage rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+17.38 dB'
'TXXX:replaygain_track_peak'                        '0.069799'
'TXXX:tracknum'                                     '05'

========================== row from database ==========================
                                              'id'  507653
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT061/05 - Index - 8 Miles High (1968 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  193
                                           'genre'  rock-gr-garage;set-pl-garagetapes;rock-cppex-psychedelic
                                        'filesize'  4644658
                                           'mtime'  1620735986
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT061 05 (1968 US) rock gr garage;set pl garagetapes;rock cppex psychedelic
                                      'tag_artist'  Index
                                     'tag_release'  Tape No061 - Infiltrate Your Mind
                                       'tag_title'  8 Miles High
                                             'bpm'  87.3
                                    'search_title'  '8':1 'high':3 'miles':2
                                   'search_artist'  'index':1
                                  'search_release'  'infiltrate':3 'mind':5 'no061':2 'tape':1 'your':4
                                     'search_rest'  '1968':6,7 'blogspot':2 'com':3 'cppex':21 'garage':12,14 'garagetapes':1,17,19 'garagetapesblogspotcom':4 'gr':11 'gt061':5 'pl':16 'psychedelic':22 'rock':10,18,20 'set':13,15 'us':8,9
                                    'search_combo'  '1968':15,16 '8':1A 'blogspot':11 'com':12 'cppex':30 'garage':21,23 'garagetapes':10,26,28 'garagetapesblogspotcom':13 'gr':20 'gt061':14 'high':3A 'index':4B 'infiltrate':7C 'miles':2A 'mind':9C 'no061':6C 'pl':25 'psychedelic':31 'rock':19,27,29 'set':22,24 'tape':5C 'us':17,18 'your':8C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['ebm', 'industrial', 'psychedelic rock', 'psychedelic', 'garage rock']
                                        'tag_date'  1968
                                     'discogstags'  ['industrial', 'electronic']

============================== file details ==============================
                                           'mtime'  1620735985.530595  (2021-05-11 14:26:25)
                             'size'  4644658