======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '293'
                                          'artist'  'capsule'
                                     'text_people'  ''
                                         'release'  'space station No.9'
                                           'title'  'happy life generator'
                                           'quals'  ("['Q-MIXBEAT-2', 'Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', "
 "'q-vocals-3']")
                                      'lastfmtags'  "['lounge', 'shibuya kei', 'electronic', 'japanese', 'j pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '4'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '115.2'
                                             'key'  '5B'
                                        'acoustid'  '42c6c71b-3bcf-47c2-8165-a4b2bb3e16c8'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'space station No.9'
'TBPM' (BPM (beats per minute))                     '115.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-02-02'
'TIT2' (Title/songname/content description)         'happy life generator'
'TKEY' (Initial key)                                '5B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'capsule'
'TPE2' (Band/orchestra/accompaniment)               'capsule'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'contemode'
'TRCK' (Track number/Position in set)               '4/4'
'TSO2'                                              'CAPSULE'
'TSOP' (Performer sort order)                       'CAPSULE'
'TSRC' (ISRC (international standard recording code))  'JPI800400244'
'TXXX:Acoustid Id'                                  '42c6c71b-3bcf-47c2-8165-a4b2bb3e16c8'
'TXXX:Artists'                                      'capsule'
'TXXX:CATALOGNUMBER'                                'YCAC-10001'
'TXXX:MusicBrainz Album Artist Id'                  'd5ce36be-fa9b-4caa-b148-a8526dd8ed04'
'TXXX:MusicBrainz Album Id'                         'a3348724-ed6e-495f-98df-92def3a79a7b'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'single'
'TXXX:MusicBrainz Artist Id'                        'd5ce36be-fa9b-4caa-b148-a8526dd8ed04'
'TXXX:MusicBrainz Release Group Id'                 '884d52e1-17e2-3f85-b17b-a390ade68b8a'
'TXXX:MusicBrainz Release Track Id'                 'e6bb4f8c-b366-30f7-b0d8-aae1431f4e6f'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['lounge', 'shibuya kei', 'electronic', 'japanese', 'j pop']
'TXXX:originalyear'                                 '2005'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.68 dB'
'TXXX:replaygain_track_peak'                        '0.272905'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'348b9fd0-5195-4f11-a30a-916bec38840a')

========================== row from database ==========================
                                              'id'  1214517
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/capsule/capsule - space station No.9/04 - Happy Life Generator.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  293
                                           'genre'  electronic-th-techno
                                        'filesize'  4709582
                                           'mtime'  1639842401
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 04 Happy Life Generator electronic th techno
                                      'tag_artist'  capsule
                                     'tag_release'  space station No.9
                                       'tag_title'  happy life generator
                                             'bpm'  115.2
                                    'search_title'  'generator':3 'happy':1 'life':2
                                   'search_artist'  'capsule':1
                                  'search_release'  '9':4 'no':3 'no9':5 'space':1 'station':2
                                     'search_rest'  '00asia':1 'electronic':5 'generator':4 'happy':2 'life':3 'techno':7 'th':6
                                    'search_combo'  '00asia':10 '9':8C 'capsule':4B 'electronic':14 'generator':3A,13 'happy':1A,11 'life':2A,12 'no':7C 'no9':9C 'space':5C 'station':6C 'techno':16 'th':15
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', '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-4', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'shibuya kei', 'electronic', 'japanese', 'j pop']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1639842400.9595575  (2021-12-18 16:46:40)
                             'size'  4709582