======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '303'
                                          'artist'  'A Perfect Circle'
                                     'text_people'  ''
                                         'release'  'Sleeping Beauty (acoustic live from philly)'
                                           'title'  'Sleeping Beauty (acoustic live from philly)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', '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-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'metal', 'alternative', 'progressive rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '128.904'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sleeping Beauty (acoustic live from philly)'
'TBPM' (BPM (beats per minute))                     '128.904'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Sleeping Beauty (acoustic live from philly)'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'A Perfect Circle'
'TRCK' (Track number/Position in set)               '1'
'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:lastfmtags'                                   ['alternative rock', 'metal', 'alternative', 'progressive rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.82 dB'
'TXXX:replaygain_track_peak'                        '0.489377'

========================== row from database ==========================
                                              'id'  1252309
                                            'path'  /data/Music/Bulk/00dwimp/A Perfect Circle/A Perfect Circle - Sleeping Beauty (Acoustic Live).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  303
                                           'genre'  rock-cppex-progressive
                                        'filesize'  7286538
                                           'mtime'  1620735973
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp (Acoustic Live) rock cppex progressive
                                      'tag_artist'  A Perfect Circle
                                     'tag_release'  Sleeping Beauty (acoustic live from philly)
                                       'tag_title'  Sleeping Beauty (acoustic live from philly)
                                             'bpm'  128.904
                                    'search_title'  'acoustic':3,4 'beauty':2 'from':6 'live':5 'philly':7,8 'sleeping':1
                                   'search_artist'  'a':1 'circle':3 'perfect':2
                                  'search_release'  'acoustic':3,4 'beauty':2 'from':6 'live':5 'philly':7,8 'sleeping':1
                                     'search_rest'  '00dwimp':1 'acoustic':2,3 'cppex':7 'live':4,5 'progressive':8 'rock':6
                                    'search_combo'  '00dwimp':20 'a':9B 'acoustic':3A,4A,14C,15C,21,22 'beauty':2A,13C 'circle':11B 'cppex':26 'from':6A,17C 'live':5A,16C,23,24 'perfect':10B 'philly':7A,8A,18C,19C 'progressive':27 'rock':25 'sleeping':1A,12C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'metal', 'alternative', 'progressive rock', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620735973.158857  (2021-05-11 14:26:13)
                             'size'  7286538