======================== unified (from filesystem) ========================
                                         'bitrate'  '184.191'
                                        'duration'  '265'
                                          'artist'  'Fantastic Plastic Machine'
                                     'text_people'  ''
                                         'release'  'Imaginations'
                                           'title'  'Paparuwa'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-4', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['lounge', 'shibuya kei', 'electronica', 'electronic', 'japanese']"
                                     'discogstags'  "['electronic', 'house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '130.903'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Imaginations'
'TBPM' (BPM (beats per minute))                     '130.903'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'prerock-jb-jazz-lounge or exotica or bossa']
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Paparuwa'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Fantastic Plastic Machine'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'house']
'TXXX:lastfmtags'                                   ['lounge', 'shibuya kei', 'electronica', 'electronic', 'japanese']
'TXXX:original release date'                        ['2006', '2006']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.63 dB'
'TXXX:replaygain_track_peak'                        '0.470689'

========================== row from database ==========================
                                              'id'  929188
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Fantastic Plastic Machine/cifsa754.mp3
                                         'working'  None
                                         'bitrate'  184
                                    'duration_sec'  265
                                           'genre'  loc-asia-japan;prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  6123566
                                           'mtime'  1620539775
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia cifsa754 loc asia japan;prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Fantastic Plastic Machine
                                     'tag_release'  Imaginations
                                       'tag_title'  Paparuwa
                                             'bpm'  130.903
                                    'search_title'  'paparuwa':1
                                   'search_artist'  'fantastic':1 'machine':3 'plastic':2
                                  'search_release'  'imaginations':1
                                     'search_rest'  '00asia':1 'asia':4 'bossa':14 'cifsa754':2 'exotica':13 'japan':5,7 'jazz':10 'jb':9 'loc':3 'lounge':11 'or':12 'prerock':6,8
                                    'search_combo'  '00asia':6 'asia':9 'bossa':19 'cifsa754':7 'exotica':18 'fantastic':2B 'imaginations':5C 'japan':10,12 'jazz':15 'jb':14 'loc':8 'lounge':16 'machine':4B 'or':17 'paparuwa':1A 'plastic':3B 'prerock':11,13
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'shibuya kei', 'electronica', 'electronic', 'japanese']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'house']

============================== file details ==============================
                                           'mtime'  1620539774.712074  (2021-05-09 07:56:14)
                             'size'  6123566