======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '170'
                                          'artist'  'Krappulas'
                                     'text_people'  ''
                                         'release'  'Escape From Hell'
                                           'title'  'Escape From Hell'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', '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-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['curitiba', 'psychobilly', 'cwb', 'brazilian']"
                                     'discogstags'  "['psychobilly', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '92.687'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Escape From Hell'
'TBPM' (BPM (beats per minute))                     '92.687'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Escape From Hell'
'TKEY' (Initial key)                                '2A'
'TLEN' (Length)                                     '170814'
'TPE1' (Lead performer(s)/Soloist(s))               'Krappulas'
'TPE2' (Band/orchestra/accompaniment)               'Krappulas'
'TRCK' (Track number/Position in set)               '3'
'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:discogstags'                                  ['psychobilly', 'rock']
'TXXX:lastfmtags'                                   ['curitiba', 'psychobilly', 'cwb', 'brazilian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '-0.89 dB'
'TXXX:replaygain_track_peak'                        '0.396189'

========================== row from database ==========================
                                              'id'  1356533
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Krappulas/Escape From Hell/03 - Escape From Hell.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  170
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  4101601
                                           'mtime'  1620526420
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica 03 rock rockabilly or psychobilly
                                      'tag_artist'  Krappulas
                                     'tag_release'  Escape From Hell
                                       'tag_title'  Escape From Hell
                                             'bpm'  92.687
                                    'search_title'  'escape':1 'from':2 'hell':3
                                   'search_artist'  'krappulas':1
                                  'search_release'  'escape':1 'from':2 'hell':3
                                     'search_rest'  '00poprockelectronic':1 'musica':2 'or':5 'psychobilly':6 'rock':3 'rockabilly':4
                                    'search_combo'  '00poprockelectronic':8 'escape':1A,5C 'from':2A,6C 'hell':3A,7C 'krappulas':4B 'musica':9 'or':12 'psychobilly':13 'rock':10 'rockabilly':11
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['curitiba', 'psychobilly', 'cwb', 'brazilian']
                                        'tag_date'  2002
                                     'discogstags'  ['psychobilly', 'rock']

============================== file details ==============================
                                           'mtime'  1620526420.151481  (2021-05-09 04:13:40)
                             'size'  4101601