======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '241'
                                          'artist'  'SIAM SHADE'
                                     'text_people'  ''
                                         'release'  'SIAM SHADE VII'
                                           'title'  'Bloody Train'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['hard rock', 'jrock', 'rock', 'japanese', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '5'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock;loc-asia-japan'
                                             'bpm'  '134.645'
                                             'key'  '6A'
                                        'acoustid'  '385abf03-92c7-4c2d-a603-aba2ed2be26b'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'SIAM SHADE VII'
'TBPM' (BPM (beats per minute))                     '134.645'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock', 'loc-asia-japan']
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-11-29'
'TIT2' (Title/songname/content description)         'Bloody Train'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'SIAM SHADE'
'TPE2' (Band/orchestra/accompaniment)               'SIAM SHADE'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'SME Records'
'TRCK' (Track number/Position in set)               '2/5'
'TSO2'                                              'SIAM SHADE'
'TSOP' (Performer sort order)                       'SIAM SHADE'
'TSRC' (ISRC (international standard recording code))  'JPSR00006782'
'TXXX:ASIN'                                         'B000056WE4'
'TXXX:Acoustid Id'                                  '385abf03-92c7-4c2d-a603-aba2ed2be26b'
'TXXX:Artists'                                      'SIAM SHADE'
'TXXX:BARCODE'                                      '4988009496795'
'TXXX:CATALOGNUMBER'                                'SRCL-4967'
'TXXX:MusicBrainz Album Artist Id'                  'b58ac34f-e412-4316-8ad3-a721ce598ac3'
'TXXX:MusicBrainz Album Id'                         '70019f1b-2877-4b9c-8b91-8b7c3522e012'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        'b58ac34f-e412-4316-8ad3-a721ce598ac3'
'TXXX:MusicBrainz Release Group Id'                 '8995d3a1-c71b-3974-93a2-cc0e9cf4ae60'
'TXXX:MusicBrainz Release Track Id'                 'f439143d-1a21-3491-83ca-ad16e1060ac8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['hard rock', 'jrock', 'rock', 'japanese', 'j rock']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.20 dB'
'TXXX:replaygain_track_peak'                        '0.390012'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e828db1f-f709-436c-9d88-ffcbb0bbfe45')

========================== row from database ==========================
                                              'id'  342510
                                            'path'  /data/Music/Bulk/00localcharacter/SIAM SHADE/SIAM SHADE - SIAM SHADE VII (128kbps) (2000.11.29)/02 - Bloody Train.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  241
                                           'genre'  loc-asia-japan-jrock;loc-asia-japan
                                        'filesize'  3919446
                                           'mtime'  1621489199
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter (128kbps) (2000.11.29) 02 loc asia japan jrock;loc asia japan
                                      'tag_artist'  SIAM SHADE
                                     'tag_release'  SIAM SHADE VII
                                       'tag_title'  Bloody Train
                                             'bpm'  134.645
                                    'search_title'  'bloody':1 'train':2
                                   'search_artist'  'shade':2 'siam':1
                                  'search_release'  'shade':2 'siam':1 'vii':3
                                     'search_rest'  '11':4 '128kbps':1,2 '2000':3 '20001129':6 '29':5 'asia':8 'japan':9 'jrock':10,12 'loc':7,11,13
                                    'search_combo'  '11':11 '128kbps':8,9 '2000':10 '20001129':13 '29':12 'asia':15 'bloody':1A 'japan':16 'jrock':17,19 'loc':14,18,20 'shade':4B,6C 'siam':3B,5C 'train':2A 'vii':7C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['hard rock', 'jrock', 'rock', 'japanese', 'j rock']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621489198.622764  (2021-05-20 07:39:58)
                             'size'  3919446