======================== unified (from filesystem) ========================
                                         'bitrate'  '177.04'
                                        'duration'  '152'
                                          'artist'  'The Haunted'
                                     'text_people'  ''
                                         'release'  'Tape No012 - Things On My Mind'
                                           'title'  '125'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['swedish', 'groove metal', 'metal', 'death metal', 'thrash metal', 'melodic "
 "death metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '124.5'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tape No012 - Things On My Mind'
'TBPM' (BPM (beats per minute))                     '124.5'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         '125'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Haunted'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '05'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['swedish',
 'groove metal',
 'metal',
 'death metal',
 'thrash metal',
 'melodic death metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.01 dB'
'TXXX:replaygain_track_peak'                        '0.424121'
'TXXX:tracknum'                                     '05'

========================== row from database ==========================
                                              'id'  505025
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT012/05 - The Haunted - 125.mp3
                                         'working'  None
                                         'bitrate'  177
                                    'duration_sec'  152
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3381120
                                           'mtime'  1620382789
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT012 05 rock gr garage;set pl garagetapes
                                      'tag_artist'  The Haunted
                                     'tag_release'  Tape No012 - Things On My Mind
                                       'tag_title'  125
                                             'bpm'  124.5
                                    'search_title'  '125':1
                                   'search_artist'  'haunted':2 'the':1
                                  'search_release'  'mind':6 'my':5 'no012':2 'on':4 'tape':1 'things':3
                                     'search_rest'  'blogspot':2 'com':3 'garage':8,10 'garagetapes':1,13 'garagetapesblogspotcom':4 'gr':7 'gt012':5 'pl':12 'rock':6 'set':9,11
                                    'search_combo'  '125':1A 'blogspot':11 'com':12 'garage':17,19 'garagetapes':10,22 'garagetapesblogspotcom':13 'gr':16 'gt012':14 'haunted':3B 'mind':9C 'my':8C 'no012':5C 'on':7C 'pl':21 'rock':15 'set':18,20 'tape':4C 'the':2B 'things':6C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'groove metal', 'metal', 'death metal', 'thrash metal', 'melodic death metal']
                                        'tag_date'  1965
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620382789.147593  (2021-05-07 12:19:49)
                             'size'  3381120