======================== unified (from filesystem) ========================
                                         'bitrate'  '192.961'
                                        'duration'  '239'
                                          'artist'  'THE ZOOT 16'
                                     'text_people'  ''
                                         'release'  'Right Out!'
                                           'title'  'Fever'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ska', 'punk', 'japanese', 'folk', 'reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-unsorted;set-pl-sced'
                                             'bpm'  '99.960'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000012D0 00001140 000034BE'
'COMM:iTunNORM:eng'                                 (' 000012D0 00001140 000034BE 00002CB4 00029691 000071D5 00008000 00008000 '
 '000071A7 000071A7')
'TALB' (Album/Movie/Show title)                     'Right Out!'
'TBPM' (BPM (beats per minute))                     '99.960'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-reggae or dub or ska or dancehall-unsorted', 'set-pl-sced']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Fever'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'THE ZOOT 16'
'TPE2' (Band/orchestra/accompaniment)               'THE ZOOT 16'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['ska', 'punk', 'japanese', 'folk', 'reggae']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.36 dB'
'TXXX:replaygain_track_peak'                        '0.379537'

========================== row from database ==========================
                                              'id'  1381951
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/THE ZOOT 16/[2004] Right Out!/04 Fever.mp3
                                         'working'  None
                                         'bitrate'  193
                                    'duration_sec'  239
                                           'genre'  loc-style-reggae or dub or ska or dancehall-unsorted;set-pl-sced
                                        'filesize'  5805790
                                           'mtime'  1620522328
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub [2004] 04 loc style reggae or dub or ska or dancehall unsorted;set pl sced
                                      'tag_artist'  THE ZOOT 16
                                     'tag_release'  Right Out!
                                       'tag_title'  Fever
                                             'bpm'  99.96
                                    'search_title'  'fever':1
                                   'search_artist'  'the':1 'zoot':2
                                  'search_release'  'out':2 'right':1
                                     'search_rest'  '00reggae':1 '2004':3,4 'dancehall':10 'dub':2 'loc':5 'or':8 'pl':15 'reggae':7 'sced':16 'set':12,14 'ska':9 'style':6 'unsorted':11,13
                                    'search_combo'  '00reggae':6 '2004':8,9 'dancehall':15 'dub':7 'fever':1A 'loc':10 'or':13 'out':5C 'pl':20 'reggae':12 'right':4C 'sced':21 'set':17,19 'ska':14 'style':11 'the':2B 'unsorted':16,18 'zoot':3B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ska', 'punk', 'japanese', 'folk', 'reggae']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620522328.338191  (2021-05-09 03:05:28)
                             'size'  5805790