======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '142'
                                          'artist'  'Tak Shindo'
                                     'text_people'  ''
                                         'release'  'Accent on Bamboo'
                                           'title'  'A String of Pearls'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'space age pop', 'exotica', 'japanese', 'easy listening']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '12'
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '144.852'
                                             'key'  '6A'
                                        'acoustid'  '333c61bf-d154-44e4-98c2-793d4dce8617'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Accent on Bamboo'
'TBPM' (BPM (beats per minute))                     '144.852'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'prerock-jb-jazz-lounge or exotica or bossa']
'TDOR' (Original release time)                      '1959'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'A String of Pearls'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Tak Shindo'
'TPE2' (Band/orchestra/accompaniment)               'Tak Shindo'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Capitol Records'
'TRCK' (Track number/Position in set)               '7/12'
'TSO2'                                              'Shindo, Tak'
'TSOP' (Performer sort order)                       'Shindo, Tak'
'TXXX:Acoustid Id'                                  '333c61bf-d154-44e4-98c2-793d4dce8617'
'TXXX:CATALOGNUMBER'                                'T-1433'
'TXXX:MusicBrainz Album Artist Id'                  'fcacd340-3045-488d-9bc6-a1e9fd33dadc'
'TXXX:MusicBrainz Album Id'                         '6a4af929-75cf-4ac0-b14a-1ab24b8aa84e'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'fcacd340-3045-488d-9bc6-a1e9fd33dadc'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['lounge', 'space age pop', 'exotica', 'japanese', 'easy listening']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+3.89 dB'
'TXXX:replaygain_track_peak'                        '0.580513'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'41b4e275-da38-4109-bf79-670f21026f64')

========================== row from database ==========================
                                              'id'  923738
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Tak Shindo - accent on bamboo/Tak Shindo - Accent On Bamboo - 07 - A String Of Pearls.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  142
                                           'genre'  loc-asia-japan;prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  2282860
                                           'mtime'  1620540393
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia accent bamboo On 07 Of loc asia japan;prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Tak Shindo
                                     'tag_release'  Accent on Bamboo
                                       'tag_title'  A String of Pearls
                                             'bpm'  144.852
                                    'search_title'  'a':1 'of':3 'pearls':4 'string':2
                                   'search_artist'  'shindo':2 'tak':1
                                  'search_release'  'accent':1 'bamboo':3 'on':2
                                     'search_rest'  '00asia':1 'accent':2 'asia':7 'bamboo':3 'bossa':17 'exotica':16 'japan':8,10 'jazz':13 'jb':12 'loc':6 'lounge':14 'of':5 'on':4 'or':15 'prerock':9,11
                                    'search_combo'  '00asia':10 'a':1A 'accent':7C,11 'asia':16 'bamboo':9C,12 'bossa':26 'exotica':25 'japan':17,19 'jazz':22 'jb':21 'loc':15 'lounge':23 'of':3A,14 'on':8C,13 'or':24 'pearls':4A 'prerock':18,20 'shindo':6B 'string':2A 'tak':5B
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'space age pop', 'exotica', 'japanese', 'easy listening']
                                        'tag_date'  1959
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620540392.8899965  (2021-05-09 08:06:32)
                             'size'  2282860