======================== unified (from filesystem) ========================
                                         'bitrate'  '269.58'
                                        'duration'  '130'
                                          'artist'  'Sayyadina'
                                     'text_people'  ''
                                         'release'  'Mourning The Unknown'
                                           'title'  'Rhinos - BONUS TRACK'
                                           '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-4', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', 'grindcore', 'crust', 'hardcore', 'grind']"
                                     'discogstags'  "['grindcore', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '24'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'eid-metal-crust'
                                             'bpm'  '116.186'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'Mourning The Unknown'
'TBPM' (BPM (beats per minute))                     '116.186'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-crust'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Rhinos - BONUS TRACK'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sayyadina'
'TPE2' (Band/orchestra/accompaniment)               'Sayyadina'
'TRCK' (Track number/Position in set)               '24'
'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:discogstags'                                  ['grindcore', 'rock']
'TXXX:lastfmtags'                                   ['swedish', 'grindcore', 'crust', 'hardcore', 'grind']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.36 dB'
'TXXX:replaygain_track_peak'                        '0.374186'

========================== row from database ==========================
                                              'id'  1399744
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Sayyadina - Mourning The Unknown/Sayyadina - Mourning The Unknown - 24 Rhinos - BONUS TRACK.mp3
                                         'working'  None
                                         'bitrate'  269
                                    'duration_sec'  130
                                           'genre'  eid-metal-crust
                                        'filesize'  4523524
                                           'mtime'  1620310809
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 24 eid metal crust
                                      'tag_artist'  Sayyadina
                                     'tag_release'  Mourning The Unknown
                                       'tag_title'  Rhinos - BONUS TRACK
                                             'bpm'  116.186
                                    'search_title'  'bonus':2 'rhinos':1 'track':3
                                   'search_artist'  'sayyadina':1
                                  'search_release'  'mourning':1 'the':2 'unknown':3
                                     'search_rest'  '00dwimp':1 '00metal':2 '24':3 'crust':6 'eid':4 'metal':5
                                    'search_combo'  '00dwimp':8 '00metal':9 '24':10 'bonus':2A 'crust':13 'eid':11 'metal':12 'mourning':5C 'rhinos':1A 'sayyadina':4B 'the':6C 'track':3A 'unknown':7C
                                    'tag_tracknum'  24
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['swedish', 'grindcore', 'crust', 'hardcore', 'grind']
                                        'tag_date'  2009
                                     'discogstags'  ['grindcore', 'rock']

============================== file details ==============================
                                           'mtime'  1620310809.0956244  (2021-05-06 16:20:09)
                             'size'  4523524