======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '246'
                                          'artist'  'Arashi'
                                     'text_people'  ''
                                         'release'  'Mechanical Eyes'
                                           'title'  'Mechanical Eyes'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-3']")
                                      'lastfmtags'  "['j-pop', 'japanese', 'arashi', 'johnnys entertainment', 'jpop']"
                                     'discogstags'  "['folk, world, & country', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '13'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop;loc-asia'
                                             'bpm'  '89.970'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Japanese'
'COMM:Songs-DB_Custom2:eng'                         'Male Vocalists'
'COMM:Songs-DB_Custom3:eng'                         'Japanese'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Mechanical Eyes'
'TBPM' (BPM (beats per minute))                     '89.970'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop', 'loc-asia']
'TIT2' (Title/songname/content description)         'Mechanical Eyes'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Arashi'
'TPE2' (Band/orchestra/accompaniment)               'Arashi'
'TRCK' (Track number/Position in set)               '12/13'
'TSOP' (Performer sort order)                       'Arashi'
'TXXX:ALBUMARTISTSORT'                              'Arashi'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '129,195'
'TXXX:MusicBrainz Album Artist Id'                  '0b70b486-0166-4efd-9128-e718d2a485e9'
'TXXX:MusicBrainz Album Id'                         '10cc5610-52eb-4c76-a451-fcc38d2f14c0'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '0b70b486-0166-4efd-9128-e718d2a485e9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['folk, world, & country', 'pop']
'TXXX:lastfmtags'                                   ['j-pop', 'japanese', 'arashi', 'johnnys entertainment', 'jpop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.94 dB'
'TXXX:replaygain_track_peak'                        '0.658460'

========================== row from database ==========================
                                              'id'  1341421
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Arashi__cifs888e.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  246
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop;loc-asia
                                        'filesize'  3952833
                                           'mtime'  1621630222
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Arashi__cifs888e loc asia japan;loc asia japan jpop;loc asia
                                      'tag_artist'  Arashi
                                     'tag_release'  Mechanical Eyes
                                       'tag_title'  Mechanical Eyes
                                             'bpm'  89.97
                                    'search_title'  'eyes':2 'mechanical':1
                                   'search_artist'  'arashi':1
                                  'search_release'  'eyes':2 'mechanical':1
                                     'search_rest'  '00poprockelectronic':1 'arashi':7 'asia':10 'cifs888e':8 'files':5,6 'japan':11,13,15 'jpop':16,18 'loc':9,12,14,17,19 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':6 'arashi':3B,12 'asia':15 'cifs888e':13 'eyes':2A,5C 'files':10,11 'japan':16,18,20 'jpop':21,23 'loc':14,17,19,22,24 'loose':8,9 'mechanical':1A,4C 'unsorted':7
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['j-pop', 'japanese', 'arashi', 'johnnys entertainment', 'jpop']
                                        'tag_date'  
                                     'discogstags'  ['folk, world, & country', 'pop']

============================== file details ==============================
                                           'mtime'  1621630221.8756614  (2021-05-21 22:50:21)
                             'size'  3952833