======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '173'
                                          'artist'  'Amorphis'
                                     'text_people'  ''
                                         'release'  'Tales From The Thousand Lakes [Bonus Track]'
                                           'title'  'Light My Fire'
                                           'quals'  ("['Q-HAP-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['doom metal', 'metal', 'melodic death metal', 'death metal', 'progressive "
 "metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '11'
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'eid-unsorted'
                                             'bpm'  '139.948'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00001419 000024DA 00006531'
'COMM:iTunNORM:eng'                                 (' 00001419 000024DA 00006531 000089A9 00005B10 00005B10 00007BA7 00008000 '
 '0002690D 00025800')
'TALB' (Album/Movie/Show title)                     'Tales From The Thousand Lakes [Bonus Track]'
'TBPM' (BPM (beats per minute))                     '139.948'
'TCON' (Content type, a.k.a. Genre)                 'eid-unsorted'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Light My Fire'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Amorphis'
'TPE2' (Band/orchestra/accompaniment)               'Amorphis'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '11/11'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['doom metal',
 'metal',
 'melodic death metal',
 'death metal',
 'progressive metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.86 dB'
'TXXX:replaygain_track_peak'                        '0.432665'

========================== row from database ==========================
                                              'id'  1358552
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/02 - amorphis - light my fire (doors).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  173
                                           'genre'  eid-unsorted
                                        'filesize'  3498065
                                           'mtime'  1620521346
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 02 amorphis light my fire (doors) eid unsorted
                                      'tag_artist'  Amorphis
                                     'tag_release'  Tales From The Thousand Lakes [Bonus Track]
                                       'tag_title'  Light My Fire
                                             'bpm'  139.948
                                    'search_title'  'fire':3 'light':1 'my':2
                                   'search_artist'  'amorphis':1
                                  'search_release'  'bonus':6,7 'from':2 'lakes':5 'tales':1 'the':3 'thousand':4 'track':8,9
                                     'search_rest'  '00poprockelectronic':1 'amorphis':7 'doors':11,12 'eid':13 'files':5,6 'fire':10 'light':8 'loose':3,4 'my':9 'unsorted':2
                                    'search_combo'  '00poprockelectronic':14 'amorphis':4B,20 'bonus':10C,11C 'doors':24,25 'eid':26 'files':18,19 'fire':3A,23 'from':6C 'lakes':9C 'light':1A,21 'loose':16,17 'my':2A,22 'tales':5C 'the':7C 'thousand':8C 'track':12C,13C 'unsorted':15
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'Q-HAP-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['doom metal', 'metal', 'melodic death metal', 'death metal', 'progressive metal']
                                        'tag_date'  1994
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620521345.613744  (2021-05-09 02:49:05)
                             'size'  3498065