======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '164'
                                          'artist'  'Avenged Sevenfold'
                                     'text_people'  ''
                                         'release'  'Covered: A Revolution In Sound'
                                           'title'  'Paranoid'
                                           'quals'  ("['Q-HAP-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', '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-2']")
                                      'lastfmtags'  "['heavy metal', 'metal', 'rock', 'metalcore', 'hardcore', 'hard rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'eid-unsorted'
                                             'bpm'  '84.175'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000019D6 00001F96 0000B4DC'
'COMM:iTunNORM:eng'                                 (' 000019D6 00001F96 0000B4DC 0000B941 00001EA8 000169D0 00008000 00008000 '
 '00002916 00001EA8')
'TALB' (Album/Movie/Show title)                     'Covered: A Revolution In Sound'
'TBPM' (BPM (beats per minute))                     '84.175'
'TCON' (Content type, a.k.a. Genre)                 'eid-unsorted'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Paranoid'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Avenged Sevenfold'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['heavy metal', 'metal', 'rock', 'metalcore', 'hardcore', 'hard 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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.44 dB'
'TXXX:replaygain_track_peak'                        '0.310356'

========================== row from database ==========================
                                              'id'  1337287
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/avenged sevenfold - paranoid (black sabbath cover).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  164
                                           'genre'  eid-unsorted
                                        'filesize'  3941898
                                           'mtime'  1620521494
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] avenged sevenfold paranoid (black sabbath cover) eid unsorted
                                      'tag_artist'  Avenged Sevenfold
                                     'tag_release'  Covered: A Revolution In Sound
                                       'tag_title'  Paranoid
                                             'bpm'  84.175
                                    'search_title'  'paranoid':1
                                   'search_artist'  'avenged':1 'sevenfold':2
                                  'search_release'  'a':3 'covered':1,2 'in':5 'revolution':4 'sound':6
                                     'search_rest'  '00poprockelectronic':1 'avenged':7 'black':10,11 'cover':13,14 'eid':15 'files':5,6 'loose':3,4 'paranoid':9 'sabbath':12 'sevenfold':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 'a':6C 'avenged':2B,16 'black':19,20 'cover':22,23 'covered':4C,5C 'eid':24 'files':14,15 'in':8C 'loose':12,13 'paranoid':1A,18 'revolution':7C 'sabbath':21 'sevenfold':3B,17 'sound':9C 'unsorted':11
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['heavy metal', 'metal', 'rock', 'metalcore', 'hardcore', 'hard rock']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620521494.1269217  (2021-05-09 02:51:34)
                             'size'  3941898