======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '198'
                                          'artist'  'The Ocean'
                                     'text_people'  ''
                                         'release'  'Pelagial (Instrumental)'
                                           'title'  'Bathyalpelagic II: The Wish in Dreams (Instrumental)'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['sludge', 'hardcore', 'progressive metal', 'experimental', 'post metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  '11'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'eid-metal-progressive'
                                             'bpm'  '132.8'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00001B4A 0000231E 0000774D 00009A87 00025D34 00014653 00008F02 00009003 '
 '00021B7D 00010539')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A5C 0000000000854814 00000000 00487BEC 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Pelagial (Instrumental)'
'TBPM' (BPM (beats per minute))                     '132.8'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-progressive'
'TDRC' (Recording time)                             '2013'
'TENC' (Encoded by)                                 'iTunes 10.6.3'
'TIT2' (Title/songname/content description)         'Bathyalpelagic II: The Wish in Dreams (Instrumental)'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Ocean'
'TPE2' (Band/orchestra/accompaniment)               'The Ocean'
'TRCK' (Track number/Position in set)               '04/11'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['sludge', 'hardcore', 'progressive metal', 'experimental', 'post metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.71 dB'
'TXXX:replaygain_track_peak'                        '0.414695'

========================== row from database ==========================
                                              'id'  1391064
                                            'path'  /data/Music/Bulk/00dwimp/00metal/The Ocean - Pelagial (2013) [Instrumental]/04-Bathyalpelagic II The Wish in Dreams (Instrumental).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  198
                                           'genre'  eid-metal-progressive
                                        'filesize'  5157749
                                           'mtime'  1620310891
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal (2013) [Instrumental] 04 eid metal progressive
                                      'tag_artist'  The Ocean
                                     'tag_release'  Pelagial (Instrumental)
                                       'tag_title'  Bathyalpelagic II: The Wish in Dreams (Instrumental)
                                             'bpm'  132.8
                                    'search_title'  'bathyalpelagic':1 'dreams':7 'ii':2,3 'in':6 'instrumental':8,9 'the':4 'wish':5
                                   'search_artist'  'ocean':2 'the':1
                                  'search_release'  'instrumental':2,3 'pelagial':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '2013':3,4 'eid':7 'instrumental':5,6 'metal':8 'progressive':9
                                    'search_combo'  '00dwimp':15 '00metal':16 '2013':17,18 'bathyalpelagic':1A 'dreams':7A 'eid':21 'ii':2A,3A 'in':6A 'instrumental':8A,9A,13C,14C,19,20 'metal':22 'ocean':11B 'pelagial':12C 'progressive':23 'the':4A,10B 'wish':5A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['sludge', 'hardcore', 'progressive metal', 'experimental', 'post metal']
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620310891.0647175  (2021-05-06 16:21:31)
                             'size'  5157749