======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '166'
                                          'artist'  'Faust'
                                     'text_people'  ''
                                         'release'  'So Far'
                                           'title'  'On the Way to Abamäe'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['krautrock', 'avant garde', 'progressive rock', 'psychedelic', "
 "'experimental']")
                                     'discogstags'  "['electronic', 'rock', 'krautrock', 'prog rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '9'
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '96'
                                             'key'  '8A'
                                        'acoustid'  'd2728dc7-1ead-4832-aae5-0af40e7b1968'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'So Far'
'TBPM' (BPM (beats per minute))                     '96'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDOR' (Original release time)                      '1972'
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         'On the Way to Abamäe'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Faust'
'TPE2' (Band/orchestra/accompaniment)               'Faust'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Polydor'
'TRCK' (Track number/Position in set)               '2/9'
'TSO2'                                              'Faust'
'TSOP' (Performer sort order)                       'Faust'
'TXXX:ASIN'                                         'B0007RO51G'
'TXXX:Acoustid Id'                                  'd2728dc7-1ead-4832-aae5-0af40e7b1968'
'TXXX:Artists'                                      'Faust'
'TXXX:BARCODE'                                      '4988005091260'
'TXXX:CATALOGNUMBER'                                'POCP-2156'
'TXXX:MusicBrainz Album Artist Id'                  '0568e321-d42b-4da4-a025-2643c9fc13dd'
'TXXX:MusicBrainz Album Id'                         'baba8511-8e1a-3f36-9c48-1aa40f2647a2'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '0568e321-d42b-4da4-a025-2643c9fc13dd'
'TXXX:MusicBrainz Release Group Id'                 '5eb73318-610f-39dd-ac16-89d88ef1341a'
'TXXX:MusicBrainz Release Track Id'                 'e5837730-cbc1-30fd-bddc-da1afe8884ef'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'rock', 'krautrock', 'prog rock']
'TXXX:lastfmtags'                                   ['krautrock', 'avant garde', 'progressive rock', 'psychedelic', 'experimental']
'TXXX:originalyear'                                 '1972'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.34 dB'
'TXXX:replaygain_track_peak'                        '0.887192'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7dbe041a-662a-4ebf-8ad1-339c3f381bb6')

========================== row from database ==========================
                                              'id'  1415633
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Faust/Faust So Far/Faust - On the Way to Abam_e.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  166
                                           'genre'  rock-cppex-progressive
                                        'filesize'  3999772
                                           'mtime'  1620736081
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Abam_e rock cppex progressive
                                      'tag_artist'  Faust
                                     'tag_release'  So Far
                                       'tag_title'  On the Way to Abamäe
                                             'bpm'  96.0
                                    'search_title'  'abamae':5,6 'on':1 'the':2 'to':4 'way':3
                                   'search_artist'  'faust':1
                                  'search_release'  'far':2 'so':1
                                     'search_rest'  'abam':2 'classicprogpsy':1 'cppex':5 'e':3 'progressive':6 'rock':4
                                    'search_combo'  'abam':11 'abamae':5A,6A 'classicprogpsy':10 'cppex':14 'e':12 'far':9C 'faust':7B 'on':1A 'progressive':15 'rock':13 'so':8C 'the':2A 'to':4A 'way':3A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['krautrock', 'avant garde', 'progressive rock', 'psychedelic', 'experimental']
                                        'tag_date'  1991
                                     'discogstags'  ['electronic', 'rock', 'krautrock', 'prog rock']

============================== file details ==============================
                                           'mtime'  1620736081.0995052  (2021-05-11 14:28:01)
                             'size'  3999772