======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '296'
                                          'artist'  'SIAM SHADE'
                                     'text_people'  ''
                                         'release'  'SIAM SHADE II'
                                           'title'  'CALLING'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', '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'  '3'
                                      'tracktotal'  '12'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock;loc-asia-japan'
                                             'bpm'  '116.655'
                                             'key'  '10A'
                                        'acoustid'  '1a438f71-9f79-4b61-96b3-0f0674cffa12'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'SIAM SHADE II'
'TBPM' (BPM (beats per minute))                     '116.655'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock', 'loc-asia-japan']
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995-11-11'
'TIT2' (Title/songname/content description)         'CALLING'
'TKEY' (Initial key)                                '10A'
'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)                                  'Sony Records'
'TRCK' (Track number/Position in set)               '3/12'
'TSO2'                                              'SIAM SHADE'
'TSOP' (Performer sort order)                       'SIAM SHADE'
'TSRC' (ISRC (international standard recording code))  'JPSR09501949'
'TXXX:ASIN'                                         'B00005G6U5'
'TXXX:Acoustid Id'                                  '1a438f71-9f79-4b61-96b3-0f0674cffa12'
'TXXX:Artists'                                      'SIAM SHADE'
'TXXX:BARCODE'                                      '4988009337722'
'TXXX:CATALOGNUMBER'                                'SRCL-3377'
'TXXX:MusicBrainz Album Artist Id'                  'b58ac34f-e412-4316-8ad3-a721ce598ac3'
'TXXX:MusicBrainz Album Id'                         '4792d648-ea80-4fd9-9074-c14f887dfc22'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b58ac34f-e412-4316-8ad3-a721ce598ac3'
'TXXX:MusicBrainz Release Group Id'                 '4e7a8aee-3da8-326a-a66f-8f07fa239307'
'TXXX:MusicBrainz Release Track Id'                 '23002942-d342-3f84-bf7b-898758c2f3df'
'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'                                       'Jpan'
'TXXX:lastfmtags'                                   ['hard rock', 'jrock', 'rock', 'japanese', 'j rock']
'TXXX:originalyear'                                 '1995'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                        '-0.16 dB'
'TXXX:replaygain_track_peak'                        '0.305129'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd115c68a-1aba-4253-8c6a-792652efc2f3')

========================== row from database ==========================
                                              'id'  316482
                                            'path'  /data/Music/Bulk/00localcharacter/SIAM SHADE/SIAM SHADE - SIAM SHADE II (320kbps) (1995.11.11)/03 - CALLING.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  296
                                           'genre'  loc-asia-japan-jrock;loc-asia-japan
                                        'filesize'  11887732
                                           'mtime'  1621489194
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter (320kbps) (1995.11.11) 03 loc asia japan jrock;loc asia japan
                                      'tag_artist'  SIAM SHADE
                                     'tag_release'  SIAM SHADE II
                                       'tag_title'  CALLING
                                             'bpm'  116.655
                                    'search_title'  'calling':1
                                   'search_artist'  'shade':2 'siam':1
                                  'search_release'  'ii':3 'shade':2 'siam':1
                                     'search_rest'  '11':4,5 '1995':3 '19951111':6 '320kbps':1,2 'asia':8 'japan':9 'jrock':10,12 'loc':7,11,13
                                    'search_combo'  '11':10,11 '1995':9 '19951111':12 '320kbps':7,8 'asia':14 'calling':1A 'ii':6C 'japan':15 'jrock':16,18 'loc':13,17,19 'shade':3B,5C 'siam':2B,4C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  10A
                                           '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['hard rock', 'jrock', 'rock', 'japanese', 'j rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621489193.5257137  (2021-05-20 07:39:53)
                             'size'  11887732