======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '263'
                                          'artist'  'Angelfish'
                                     'text_people'  ''
                                         'release'  'Angelfish'
                                           'title'  'The End'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'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-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'female vocalists', 'garbage', 'rock']"
                                     'discogstags'  "['trance', 'techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '145.895'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Angelfish'
'TBPM' (BPM (beats per minute))                     '145.895'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'The End'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Angelfish'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['trance', 'techno', 'electronic']
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'female vocalists', 'garbage', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.16 dB'
'TXXX:replaygain_track_peak'                        '0.470320'

========================== row from database ==========================
                                              'id'  1331165
                                            'path'  /data/Music/Bulk/00poprockelectronic/Angelfish/Angelfish/MBZ;#Angelfish;#Angelfish;#10;#The End.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  263
                                           'genre'  rock-pop
                                        'filesize'  6329962
                                           'mtime'  1647352866
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Angelfish;#Angelfish;#10;#The rock pop
                                      'tag_artist'  Angelfish
                                     'tag_release'  Angelfish
                                       'tag_title'  The End
                                             'bpm'  145.895
                                    'search_title'  'end':2 'the':1
                                   'search_artist'  'angelfish':1
                                  'search_release'  'angelfish':1
                                     'search_rest'  '00poprockelectronic':1 '10':5,10 'angelfish':3,4,8,9 'mbz':2,7 'pop':13 'rock':12 'the':6,11
                                    'search_combo'  '00poprockelectronic':5 '10':9,14 'angelfish':3B,4C,7,8,12,13 'end':2A 'mbz':6,11 'pop':17 'rock':16 'the':1A,10,15
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', '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-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'female vocalists', 'garbage', 'rock']
                                        'tag_date'  1994
                                     'discogstags'  ['trance', 'techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1647352866.1678486  (2022-03-15 15:01:06)
                             'size'  6329962