======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '125'
                                          'artist'  'Demented Are Go'
                                     'text_people'  ''
                                         'release'  'i wanna see you bleed'
                                           'title'  'cast iron arms'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['psychobilly', 'rockabilly', 'horror punk', 'punk', 'punk rock']"
                                     'discogstags'  "['psychobilly', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '114.999'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'i wanna see you bleed'
'TBPM' (BPM (beats per minute))                     '114.999'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'cast iron arms'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Demented Are Go'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['psychobilly', 'rock']
'TXXX:lastfmtags'                                   ['psychobilly', 'rockabilly', 'horror punk', 'punk', 'punk rock']
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.58 dB'
'TXXX:replaygain_track_peak'                        '0.808181'

========================== row from database ==========================
                                              'id'  1324411
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Demented Are Go/i wanna see you bleed/11 - cast iron arms.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  125
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  3020298
                                           'mtime'  1620526331
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica 11 rock rockabilly or psychobilly
                                      'tag_artist'  Demented Are Go
                                     'tag_release'  i wanna see you bleed
                                       'tag_title'  cast iron arms
                                             'bpm'  114.999
                                    'search_title'  'arms':3 'cast':1 'iron':2
                                   'search_artist'  'are':2 'demented':1 'go':3
                                  'search_release'  'bleed':5 'i':1 'see':3 'wanna':2 'you':4
                                     'search_rest'  '00poprockelectronic':1 'musica':2 'or':5 'psychobilly':6 'rock':3 'rockabilly':4
                                    'search_combo'  '00poprockelectronic':12 'are':5B 'arms':3A 'bleed':11C 'cast':1A 'demented':4B 'go':6B 'i':7C 'iron':2A 'musica':13 'or':16 'psychobilly':17 'rock':14 'rockabilly':15 'see':9C 'wanna':8C 'you':10C
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', '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'  ['psychobilly', 'rockabilly', 'horror punk', 'punk', 'punk rock']
                                        'tag_date'  1996
                                     'discogstags'  ['psychobilly', 'rock']

============================== file details ==============================
                                           'mtime'  1620526330.8489027  (2021-05-09 04:12:10)
                             'size'  3020298