======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '182'
                                          'artist'  'The Four Sisters'
                                     'text_people'  ''
                                         'release'  'Ryukyu Rare Groove - Shimauta Pops in 60s - 70s'
                                           'title'  'Keibintetsudou Fushi'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['okinawan pop', 'o pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan'
                                             'bpm'  '102.2'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Ryukyu Rare Groove - Shimauta Pops in 60s - 70s'
'TBPM' (BPM (beats per minute))                     '102.2'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-japan'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Keibintetsudou Fushi'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Four Sisters'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'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:lastfmtags'                                   ['okinawan pop', 'o pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.93 dB'
'TXXX:replaygain_track_peak'                        '0.358048'

========================== row from database ==========================
                                              'id'  418636
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Ryukyu Rare Groove - Shimauta Pops in 60s-70s [2003]/12 - The Four Sisters - Keibintetsudou Fushi.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  182
                                           'genre'  loc-asia-japan
                                        'filesize'  5166939
                                           'mtime'  1622802180
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [2003] 12 loc asia japan
                                      'tag_artist'  The Four Sisters
                                     'tag_release'  Ryukyu Rare Groove - Shimauta Pops in 60s - 70s
                                       'tag_title'  Keibintetsudou Fushi
                                             'bpm'  102.2
                                    'search_title'  'fushi':2 'keibintetsudou':1
                                   'search_artist'  'four':2 'sisters':3 'the':1
                                  'search_release'  '60s':7 '70s':8 'groove':3 'in':6 'pops':5 'rare':2 'ryukyu':1 'shimauta':4
                                     'search_rest'  '2003':1,2 'asia':4 'japan':5 'loc':3
                                    'search_combo'  '2003':14,15 '60s':12C '70s':13C 'asia':17 'four':4B 'fushi':2A 'groove':8C 'in':11C 'japan':18 'keibintetsudou':1A 'loc':16 'pops':10C 'rare':7C 'ryukyu':6C 'shimauta':9C 'sisters':5B 'the':3B
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['okinawan pop', 'o pop']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622802179.7871835  (2021-06-04 12:22:59)
                             'size'  5166939