======================== unified (from filesystem) ========================
                                         'bitrate'  '206.143'
                                        'duration'  '282'
                                          'artist'  'Guniw Tools'
                                     'text_people'  ''
                                         'release'  'Fickle Boon (2003)'
                                           'title'  'Equal in vain'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-3', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['visual kei', 'j rock', 'japanese', 'experimental', 'angura kei']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '16'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop'
                                             'bpm'  '120.042'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'F910BC10'
'COMM:ID3v1 Comment:XXX'                            'F910BC10'
'COMM:iTunNORM:eng'                                 (' 000012D5 00001082 000050E8 00003D56 00037AA1 00026F95 00008000 000079AC '
 '00026F95 00035926')
'TALB' (Album/Movie/Show title)                     'Fickle Boon (2003)'
'TBPM' (BPM (beats per minute))                     '120.042'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Equal in vain'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Guniw Tools'
'TRCK' (Track number/Position in set)               '1/16'
'TSSE' (Software/Hardware and settings used for encoding)  ('Audiograbber 1.82.01, LAME dll 3.93, 192 Kbit/s (ABR), Joint Stereo, High '
 'quality')
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['visual kei', 'j rock', 'japanese', 'experimental', 'angura kei']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.71 dB'
'TXXX:replaygain_track_peak'                        '0.374654'

========================== row from database ==========================
                                              'id'  476211
                                            'path'  /data/Music/Bulk/00localcharacter/Guniw Tools (2003.07.23) (album) Fickle Boon [vbr]/01 - Equal In Vain.mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  282
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop
                                        'filesize'  7271618
                                           'mtime'  1622821750
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter (2003.07.23) (album) [vbr] 01 In Vain loc asia japan;loc asia japan jpop
                                      'tag_artist'  Guniw Tools
                                     'tag_release'  Fickle Boon (2003)
                                       'tag_title'  Equal in vain
                                             'bpm'  120.042
                                    'search_title'  'equal':1 'in':2 'vain':3
                                   'search_artist'  'guniw':1 'tools':2
                                  'search_release'  '2003':3,4 'boon':2 'fickle':1
                                     'search_rest'  '07':2 '2003':1 '20030723':4 '23':3 'album':5,6 'asia':12 'in':9 'japan':13,15,17 'jpop':18 'loc':11,14,16 'vain':10 'vbr':7,8
                                    'search_combo'  '07':11 '2003':8C,9C,10 '20030723':13 '23':12 'album':14,15 'asia':21 'boon':7C 'equal':1A 'fickle':6C 'guniw':4B 'in':2A,18 'japan':22,24,26 'jpop':27 'loc':20,23,25 'tools':5B 'vain':3A,19 'vbr':16,17
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['visual kei', 'j rock', 'japanese', 'experimental', 'angura kei']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622821750.0028658  (2021-06-04 17:49:10)
                             'size'  7271618