======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '204'
                                          'artist'  'Kostas Bezos'
                                     'text_people'  'øשlqæda'
                                         'release'  'Billy Goat Latin C90'
                                           'title'  'Ta Aspra Poulia Sta Vouna [The White Birds in the Mountains]'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['animals']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '100.9'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Billy Goat Latin C90'
'TBPM' (BPM (beats per minute))                     '100.9'
'TCMP'                                              '1'
'TCOM' (Composer)                                   'øשlqæda'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Ta Aspra Poulia Sta Vouna [The White Birds in the Mountains]'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kostas Bezos'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'holywarbles trill 02'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:TREMULANT'                                    'http://holywarbles.blogspot.com'
'TXXX:lastfmtags'                                   'animals'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.75 dB'
'TXXX:replaygain_track_peak'                        '0.462760'

========================== row from database ==========================
                                              'id'  1214694
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/holy warbles/va - billy goat latin c90 [holy warbles, 2011]/01. ta aspra poulia sta vouna [the white birds in the mountains].mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  204
                                           'genre'  electronic-unsorted
                                        'filesize'  8203773
                                           'mtime'  1642339939
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm holy warbles va billy goat latin c90 [holy warbles, 2011] 01. aspra poulia vouna [the white birds mountains] electronic unsorted
                                      'tag_artist'  Kostas Bezos
                                     'tag_release'  Billy Goat Latin C90
                                       'tag_title'  Ta Aspra Poulia Sta Vouna [The White Birds in the Mountains]
                                             'bpm'  100.9
                                    'search_title'  'aspra':2 'birds':9 'in':10 'mountains':11,12 'poulia':3 'sta':4 'ta':1 'the':6,7 'vouna':5 'white':8
                                   'search_artist'  'bezos':2 'kostas':1
                                  'search_release'  'billy':1 'c90':4 'goat':2 'latin':3
                                     'search_rest'  '01':12,13 '2011':10,11 'aspra':14 'billy':4 'birds':20 'c90':7 'electronic':23 'goat':5 'holy':1,8 'latin':6 'mountains':21,22 'poulia':15 'the':17,18 'unsorted':24 'va':3 'vouna':16 'warbles':2,9 'white':19
                                    'search_combo'  '01':30,31 '2011':28,29 'aspra':2A,32 'bezos':14B 'billy':15C,22 'birds':9A,38 'c90':18C,25 'electronic':41 'goat':16C,23 'holy':19,26 'in':10A 'kostas':13B 'latin':17C,24 'mountains':11A,12A,39,40 'poulia':3A,33 'sta':4A 'ta':1A 'the':6A,7A,35,36 'unsorted':42 'va':21 'vouna':5A,34 'warbles':20,27 'white':8A,37
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['animals']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642339938.9881306  (2022-01-16 14:32:18)
                             'size'  8203773