======================== unified (from filesystem) ========================
                                         'bitrate'  '145.889'
                                        'duration'  '127'
                                          'artist'  'Zombina & The Skeletones'
                                     'text_people'  ''
                                         'release'  'Halloween Hollering [EP]'
                                           'title'  'Night of the Living Skull'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['horror punk', 'psychobilly', 'deathrock', 'punk', 'female vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '109.645'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Halloween Hollering [EP]'
'TBPM' (BPM (beats per minute))                     '109.645'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Night of the Living Skull'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Zombina & The Skeletones'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['horror punk', 'psychobilly', 'deathrock', 'punk', 'female vocalists']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.28 dB'
'TXXX:replaygain_track_peak'                        '0.325056'

========================== row from database ==========================
                                              'id'  155368
                                            'path'  /data/Music/Bulk/00dwimp/Zombina & The Skeletones/Night of the living skull.mp3
                                         'working'  None
                                         'bitrate'  145
                                    'duration_sec'  127
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  2321442
                                           'mtime'  1620525267
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp living skull rock rockabilly or psychobilly
                                      'tag_artist'  Zombina & The Skeletones
                                     'tag_release'  Halloween Hollering [EP]
                                       'tag_title'  Night of the Living Skull
                                             'bpm'  109.645
                                    'search_title'  'living':4 'night':1 'of':2 'skull':5 'the':3
                                   'search_artist'  'skeletones':3 'the':2 'zombina':1
                                  'search_release'  'ep':3,4 'halloween':1 'hollering':2
                                     'search_rest'  '00dwimp':1 'living':2 'or':6 'psychobilly':7 'rock':4 'rockabilly':5 'skull':3
                                    'search_combo'  '00dwimp':13 'ep':11C,12C 'halloween':9C 'hollering':10C 'living':4A,14 'night':1A 'of':2A 'or':18 'psychobilly':19 'rock':16 'rockabilly':17 'skeletones':8B 'skull':5A,15 'the':3A,7B 'zombina':6B
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['horror punk', 'psychobilly', 'deathrock', 'punk', 'female vocalists']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525267.06708  (2021-05-09 03:54:27)
                             'size'  2321442