======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '175'
                                          'artist'  'The Headstones'
                                     'text_people'  ''
                                         'release'  "Tape No002 - I'm Gonna Stay"
                                           'title'  '24 Hours (everyday)'
                                           '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-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['garage', 'rock', 'punk', 'canadian', 'fill in the blank blues']"
                                     'discogstags'  "['garage rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '120.0'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Tape No002 - I'm Gonna Stay"
'TBPM' (BPM (beats per minute))                     '120.0'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         '24 Hours (everyday)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Headstones'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Mp3gain_album_minmax'                         '019,206'
'TXXX:Mp3gain_minmax'                               '040,206'
'TXXX:Mp3gain_undo'                                 '+004,+004,N'
'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:Tracknum'                                     '02'
'TXXX:discogstags'                                  ['garage rock', 'rock']
'TXXX:lastfmtags'                                   ['garage', 'rock', 'punk', 'canadian', 'fill in the blank blues']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.80 dB'
'TXXX:replaygain_track_peak'                        '0.508438'

========================== row from database ==========================
                                              'id'  499186
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT002/02 - The Headstones - 24 Hours (everyday).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  175
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  7024328
                                           'mtime'  1620382711
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT002 rock gr garage;set pl garagetapes
                                      'tag_artist'  The Headstones
                                     'tag_release'  Tape No002 - I'm Gonna Stay
                                       'tag_title'  24 Hours (everyday)
                                             'bpm'  120.0
                                    'search_title'  '24':1 'everyday':3,4 'hours':2
                                   'search_artist'  'headstones':2 'the':1
                                  'search_release'  'gonna':6 'i':3 'im':5 'm':4 'no002':2 'stay':7 'tape':1
                                     'search_rest'  'blogspot':2 'com':3 'garage':8,10 'garagetapes':1,13 'garagetapesblogspotcom':4 'gr':7 'gt002':5 'pl':12 'rock':6 'set':9,11
                                    'search_combo'  '24':1A 'blogspot':15 'com':16 'everyday':3A,4A 'garage':21,23 'garagetapes':14,26 'garagetapesblogspotcom':17 'gonna':12C 'gr':20 'gt002':18 'headstones':6B 'hours':2A 'i':9C 'im':11C 'm':10C 'no002':8C 'pl':25 'rock':19 'set':22,24 'stay':13C 'tape':7C 'the':5B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10A
                                           '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-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['garage', 'rock', 'punk', 'canadian', 'fill in the blank blues']
                                        'tag_date'  1965
                                     'discogstags'  ['garage rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620382710.7701735  (2021-05-07 12:18:30)
                             'size'  7024328