======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '152'
                                          'artist'  'Ensemble Nipponia'
                                     'text_people'  'Minoru Miki'
                                         'release'  'Japan: Traditional Vocal & Instrumental Music'
                                           'title'  'Esashi Oiwake ("Esashi Pack-horseman\'s Song")'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-1', 'q-syn-1', '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'  "['traditional japanese', 'japanese', 'traditional', 'ethnic', 'world', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '8'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-classical'
                                             'bpm'  '140'
                                             'key'  '9A'
                                        'acoustid'  '1014b503-b037-40b9-b13e-e857c6ffaad7'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Japan: Traditional Vocal & Instrumental Music'
'TBPM' (BPM (beats per minute))                     '140'
'TCOM' (Composer)                                   '[unknown]'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-japan-classical'
'TDOR' (Original release time)                      '1976'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Esashi Oiwake ("Esashi Pack-horseman\'s Song")'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Ensemble Nipponia'
'TPE2' (Band/orchestra/accompaniment)               'Ensemble Nipponia'
'TPE3' (Conductor/performer refinement)             'Minoru Miki'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Nonesuch'
'TRCK' (Track number/Position in set)               '6/8'
'TSO2'                                              'Ensemble Nipponia'
'TSOC'                                              '[unknown]'
'TSOP' (Performer sort order)                       'Ensemble Nipponia'
'TSRC' (ISRC (international standard recording code))  'USNO17607206'
'TXXX:ASIN'                                         'B000005IWK'
'TXXX:Acoustid Id'                                  '1014b503-b037-40b9-b13e-e857c6ffaad7'
'TXXX:Artists'                                      'Ensemble Nipponia'
'TXXX:BARCODE'                                      '075597207224'
'TXXX:CATALOGNUMBER'                                '9 72072-2'
'TXXX:MusicBrainz Album Artist Id'                  '49b5b790-62b9-497b-ac78-4f06ce15d69a'
'TXXX:MusicBrainz Album Id'                         '747e23a5-02f4-3fc3-93b8-8ba07fed2a64'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '49b5b790-62b9-497b-ac78-4f06ce15d69a'
'TXXX:MusicBrainz Release Group Id'                 '736465cd-5bbf-306a-9453-de775d9c948e'
'TXXX:MusicBrainz Release Track Id'                 '3f42cc39-8120-3b48-8547-f552ebc860ff'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['traditional japanese', 'japanese', 'traditional', 'ethnic', 'world', 'folk']
'TXXX:originalyear'                                 '1976'
'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'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.79 dB'
'TXXX:replaygain_track_peak'                        '0.762567'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0a31652f-27b4-4891-a14a-3146ad88bde0')

========================== row from database ==========================
                                              'id'  1401784
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Soloists of the Ensemble Nipponia - Japan Traditional Vocal and Instrumental Music/Nipponia 06 Esashi Oiwake.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  152
                                           'genre'  loc-asia-japan-classical
                                        'filesize'  6170448
                                           'mtime'  1637933587
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Soloists of the and 06 loc asia japan classical
                                      'tag_artist'  Ensemble Nipponia
                                     'tag_release'  Japan: Traditional Vocal & Instrumental Music
                                       'tag_title'  Esashi Oiwake ("Esashi Pack-horseman's Song")
                                             'bpm'  140.0
                                    'search_title'  'esashi':1,3,4 'horseman':6 'oiwake':2 'pack':5 'packhorsemans':8 's':7 'song':9,10
                                   'search_artist'  'ensemble':1 'nipponia':2
                                  'search_release'  'instrumental':5 'japan':1,2 'music':6 'traditional':3 'vocal':4
                                     'search_rest'  '00asia':1 'and':5 'asia':7 'classical':9 'japan':8 'loc':6 'of':3 'soloists':2 'the':4
                                    'search_combo'  '00asia':19 'and':23 'asia':25 'classical':27 'ensemble':11B 'esashi':1A,3A,4A 'horseman':6A 'instrumental':17C 'japan':13C,14C,26 'loc':24 'music':18C 'nipponia':12B 'of':21 'oiwake':2A 'pack':5A 'packhorsemans':8A 's':7A 'soloists':20 'song':9A,10A 'the':22 'traditional':15C 'vocal':16C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['traditional japanese', 'japanese', 'traditional', 'ethnic', 'world', 'folk']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637933586.953207  (2021-11-26 14:33:06)
                             'size'  6170448