======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '284'
                                          'artist'  'HALCALI'
                                     'text_people'  ''
                                         'release'  'HALCALIMIX'
                                           'title'  'BABY BLUE! -BABY BLUE IS GOOD MIX-'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['shibuya kei', 'jpop', 'japanese', 'j pop', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '11'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;hip hop or rnb or rap or turntablism'
                                             'bpm'  '110.1'
                                             'key'  '8A'
                                        'acoustid'  '5a27e907-f374-4257-80da-f29b9e878c89'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'HALCALIMIX'
'TBPM' (BPM (beats per minute))                     '110.1'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'hip hop or rnb or rap or turntablism', 'loc-asia-japan']
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-03-16'
'TIT2' (Title/songname/content description)         'BABY BLUE! -BABY BLUE IS GOOD MIX-'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'HALCALI'
'TPE2' (Band/orchestra/accompaniment)               'HALCALI'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '10/11'
'TSO2'                                              'HALCALI'
'TSOP' (Performer sort order)                       'HALCALI'
'TXXX:Acoustid Id'                                  '5a27e907-f374-4257-80da-f29b9e878c89'
'TXXX:Artists'                                      'HALCALI'
'TXXX:MusicBrainz Album Artist Id'                  '8fbd27c9-f680-4dfb-b752-90d5e988367c'
'TXXX:MusicBrainz Album Id'                         '9e4cf4a8-15ae-4611-b9bf-6eeded399a51'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'pseudo-release'
'TXXX:MusicBrainz Album Type'                       'album/remix'
'TXXX:MusicBrainz Artist Id'                        '8fbd27c9-f680-4dfb-b752-90d5e988367c'
'TXXX:MusicBrainz Release Group Id'                 'd2541090-a903-3199-9e13-d5cde86f38e9'
'TXXX:MusicBrainz Release Track Id'                 '54e44390-3a4b-3174-bd60-4bb935e793a2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['shibuya kei', 'jpop', 'japanese', 'j pop', 'hip hop']
'TXXX:originalyear'                                 '2005'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.38 dB'
'TXXX:replaygain_track_peak'                        '0.460571'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'556af492-a187-4d01-b912-e01cd6cf67c2')

========================== row from database ==========================
                                              'id'  1387457
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/HALCALI/ハルカリミックス/10 BABY BLUE! -BABY BLUE IS GOOD MIX-.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  284
                                           'genre'  loc-asia-japan;hip hop or rnb or rap or turntablism
                                        'filesize'  4554302
                                           'mtime'  1620584262
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism ハルカリミックス 10 loc asia japan;hip hop or rnb or rap or turntablism
                                      'tag_artist'  HALCALI
                                     'tag_release'  HALCALIMIX
                                       'tag_title'  BABY BLUE! -BABY BLUE IS GOOD MIX-
                                             'bpm'  110.1
                                    'search_title'  'baby':1,3 'blue':2,4 'good':6 'is':5 'mix':7,8
                                   'search_artist'  'halcali':1
                                  'search_release'  'halcalimix':1
                                     'search_rest'  'asia':8 'harukarimitukusu':6 'hip':10,12 'hiphop':1 'hop':13 'japan':9,11 'loc':7 'or':14 'rap':2 'rnb':3 'turntablism':4 'ハルカリミックス':5
                                    'search_combo'  'asia':18 'baby':1A,3A 'blue':2A,4A 'good':6A 'halcali':9B 'halcalimix':10C 'harukarimitukusu':16 'hip':20,22 'hiphop':11 'hop':23 'is':5A 'japan':19,21 'loc':17 'mix':7A,8A 'or':24 'rap':12 'rnb':13 'turntablism':14 'ハルカリミックス':15
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['shibuya kei', 'jpop', 'japanese', 'j pop', 'hip hop']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620584262.3189387  (2021-05-09 20:17:42)
                             'size'  4554302